Nemo Disco Endless Promise Sleeping Bag In-Depth Review

OUR FAVORITE WARM AND COMFORTABLE SLEEPING BAG FOR BACKPACKING AND CAMPING AND SIDE SLEEPERS

Nemo Disco Sleeping Bag

Home > Gear Reviews > Camping
February 20th, 2024

OUR VERDICT

The new for 2024 Nemo Disco Endless Promise is my favorite sleeping bag, and it is as comfortable on car camping trips as it is in the backcountry. I tested the Disco 15 Endless Promise on everything from warm summer nights and during the cold shoulder season in Southern Idaho. It not only kept me warm, but it is the roomiest sleeping bag I’ve used for backpacking, with a spoon shape made for side sleepers and some plus size folks like myself.

The Disco Endless Promise sleeping bag is similar to the Nemo Disco sleeping bag, which I wrote about earlier, with a few major and important changes. The new model has the same features I liked, such as the Spoon Shape. The update is in a new 100% recycled polyester ripstop that is re-engineered to be fully recyclable at the end of its life. The end goal is to keep gear out of landfills by designing for circularity, an idea that captures repairable, resellable, and recyclable. It's also made with a PFAS-free CO Durable Water Repellent. It joins two other sleeping bags – the Nemo Forte and Nemo Riff – in the Nemo Endless Promise line.

As someone who has struggled to find backpacking sleeping bags to fit my size 20/22 body, I found that I could sleep in the Disco Endless Promise without compromising warmth–a problem I have encountered in the past with most backpacking and mummy bags I have used.

The Disco 15 Endless Promise is also a solid option for those looking for a backpacking and camping sleeping bag at a price that is hundreds less than many of its competitors on the market. As an outdoors person who prizes versatility in my gear, comfort both in fit and temperature, and price, I find the Nemo Disco 15 Endless Promise (and 30 F, though I only tested the 15) to be a great bag that I see myself using for years to come. And when the Endless Promise sleeping bag is worn out, it will be able to be recycled again. 

The Nemo Disco 15 Endless Promise is a winner in our Best Outdoor Gear for Plus Size People guide.

Note: the Nemo Disco sleeping bag has been re-introduced as the Nemo Disco Endless Promise sleeping bag. However, you can still get the old model of the Disco at some retailers, while supplies last. See our in-depth review on the updated Nemo Disco bag. Also, don’t miss our review of the related Nemo Coda Endless Promise down sleeping bag.


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SPECS

NEMO Disco 15 Endless Promise Down Sleeping Bag

Temperature Rating (F), EN Comfort/EN Lower Limit: 15, 17, 4 

Total weight (oz): 3 lbs 5 oz (identical)

Fill Weight (oz): 32 oz

Fill Power: 650

Hydrophobic Down? Yes

Fabric: 30D recycled polyester ripstop treated with C0 Durable Water Resistance (DWR)

Shoulder (in) / Hips (in): 64” / 59” (men’s) and 62” / 58” (women’s)

Traceable/Responsible Down: Yes


Sawtooth NF Nemo Disco Sleeping Bag

WHAT WE LIKED

Much of what we liked is the same in the Nemo Disco Endless Promise as it was for the original Nemo Disco.

  • Spoon shape that is friendly for side sleepers and larger bodies

  • Versatility 

  • Features with ease and comfort in mind

  • True temperature rating 

  • Waterproof footbox and water resistance

  • Zip pocket for electronics

New things we like:

  • 100% recycled and recyclable material

  • PFAS-free C0 DWR treatment

  • Take back program allows it to be re-used and then fully recycled


COMPARISON TABLE

Nemo Disco Endless Promise vs. Similar Sleeping Bags

SLEEPING BAGS EXTREME / COMFORT RATING INSULATION WIDTH
Nemo Disco 15 Down 15 Endless Promise (women's) 4 F / 17 F 650-fill-power down shoulders up to 60", hips up to 56", knee up to 59"
Nemo Disco 30 Endless Promise (women's) 21 F / 31 F 650-fill-power down shoulders up to 60", hips up to 56", knee up to 59"
Nemo Disco 15 Down Endless Promise (men's) 16 F / 27 F 650-fill-power down shoulders up to 62", hips up to 57", knee up to 61"
Nemo Disco 30 Down Endless Promise (men's) 30 F / 40 F 650-fill-power down shoulders up to 62", hips up to 57", knee up to 61"
Sea to Summit Cinder Down 35 n/a for quilts 750+ Loft ULTRA-DRY Down n/a
Therm-a-Rest Corus Quilt n/a for quilts 650-fill-power Hydrophobic Down n/a
REI Trailmade 21 F/ 31 F Synthetic shoulders up to 70", hips up to 66"
Nemo Riff Endless Promise 15 (women's) 5 F / 18 F 800-fill-power sown shoulders up to 58", hips up to 52", knee up to 55"
Nemo Riff Endless Promise 15 (men's) 17 F/ 28 F 800-fill-power sown shoulders up to 52", hips up to 54", knee up to 59"
Nemo Forte Endless Promise 20 (women's) 10 F / 20 F Synthetic shoulders up to 59", hips up to 54", knee up to 56"
Nemo Forte Endless Promise 15 (men's) 20 F/ 30 F Synthetic shoulders up to 59", hips up to 54", knee up to 60"
SOURCE: Manufacturers

KEY FEATURES OF THE NEMO DISCO Endless Promise SLEEPING BAG

Sawtooth Nf Nemo Disco

TEMPERATURE RATING AND SEASON SUITABILITY

I tested the Nemo Disco 15 Endless Promise throughout the summer and late Fall in Southern Idaho, Northern Utah, and Wyoming. It performed well in a variety of temperatures ranging from 50s in June and July and as low as 20s in late October and early November. 

This is not a four season bag, as the comfort rating for the 15 has an ISO Comfort rating of 17F/ -8C and the 30 has an ISO Comfort rating of 31F/ -1C. One update on the Nemo Endless Promise is the Lower Limit rating is slightly better than before. It is now 4F vs. 5F in the older model. 

You can read about ISO rating and what comfort rating and lower limit ratings mean in my write-up of the original Nemo Disco.

In coastal areas, high desert, or other states that see overall mild temperatures in the winter, the Nemo Disco Endless Promise bag can be an all year piece of gear. But for those who live in snowy and cold climates, like myself, the Nemo 15 Endless Promise is best for temperatures around or above freezing.

The Disco 15 Endless Promise sleeping bag felt the most comfortable in the upper 20s. I feel confident that this bag can keep me through the night at these temperatures, but I would not go below the temperature rating to ensure safety. 

Spoon Shape and Warmth

As with the original Disco Endless Promise bag, one more important thing to note is that the design of the bag may impact how warm one feels in it. Due to the spoon shape and wider design, folks who are smaller and take up less space in their mummy bags may not be retaining as much warmth when using the Disco Endless Promise. If there are several inches of extra room in the hips and footbox of the bag, that means more space you'll have to warm up inside the bag.

I advise trying on the Disco Endless Promise to see if you would have extra space that may lend itself to a colder night of sleep due to warmth not being retained in a loose fitting sleeping bag. This is a risk that one may encounter when choosing a bag that is less constricting versus a traditional mummy bag that is snug and confining, but is less likely to have cold spots.

Nemo Disco Sleeping Bag Backpacking

INSULATION TYPE AND QUALITY

The Disco 15 Endless Promise in Long has a fill weight of 2 lb 3 oz of 650 FP hydrophobic down insulation. This is up 5 oz from the 1 lb 14 oz of fill in the original Disco 15 in long. The Disco 15 in Regular length has 2 lb of 650 FP down. This is up 3 oz from the 1 lb 13 oz of down in the old Disco. The result is that the new Endless Promise version is slightly warmer than the older version because it has more insulation. This is reflected by the EN independently tested labs giving it a Lower Limit rating of 4 F vs. the old version's rating of 5 F.

As with the previous version, the down fill of the Disco Endless Promise is PFAS-free. You can read more in our guide to All About PFAS and PFC-Free Waterproofing. You can also read more here about Waterproof Down.

The down is also RDS-certified (Responsible Down Standard), which contains “down or feathers from farms certified to animal welfare requirements,” according to Nemo’s website. 

The down is also water resistant, but for those in very humid and wet areas, a synthetic fill bag may still be better as down is not as water resistant as synthetic fill. You can read more about choosing the best insulation for you in Which is better: down or synthetic?

As part of the Endless Promise, the down can be recycled and reused as part of Nemo's takeback program.

Other bags with at least 800 FP down, like the Nemo Riff Endless Promise, Sea to Summit Flame Ultralight 15 or the Therm-a-Rest Parsec 20 can cost over $100 more than the Disco Endless Promise, an amount of money I am happy to keep as the Disco 15 serves my needs.

DRAFT COLLAR AND TUBE

As with the original model, the Nemo Disco 15 Endless Promise features a draft collar and draft tubes along the zipper to prevent cold air from seeping in. This helps to create a cozy and insulated sleep environment, even in chilly weather conditions. 

The bag also comes with a built-in pillow pocket, where you can insert extra clothing or a camping pillow for added comfort.

WEIGHT

The lightest of the Disco Endless Promise options is the Disco 30 Endless Promise (men's and women's) in Regular at 2 lb  7 oz.. While this is not an ultralight backpacking sleeping bag, the Disco line is suitable for using as a backpacking sleeping bag and a camping sleeping bag. This is up 2 oz from the previous version in this length. 

I found the bag’s weight low enough for my uses on shorter backpacking trips, but ultralight backpackers or those looking to backpack for longer trips than I typically take may find the bag to be too bulky or heavy.

If you are someone who counts ounces, the Disco Endless Promise is likely not your best choice. You may be happier with the Nemo Riff Endless Promise (men's and women's), which has a similar design but uses 850 fill down, which requires less weight in insulation to achieve the same temperature rating. It also has the same Endless Promise materials, warranty and repairs, and takeback program for its end of life. However, as Nemo's premium bag, it is about $70 more.


Packed Size

The innovative spoon shape and the spaciousness that goes along with it inherently means that there is more space to fill and more material to pack down. This is a trade-off that I am willing to make for a bag that not only zips up, but I can comfortably turn and bend my legs in. 

Packed Size

The bag compresses down to 9.2 L in the 15 F Long, which is down 0.2 L from the previous version.  In the regular length 30 F, their lightest bag, it is down to 4.8 L (1.2 L less than the previous version in that length). 

The Nemo Endless Promise fits in my Gregory Packs Kalmia 60 pack without much effort. I appreciate that the new bag is 0.2 L in volume than the previous version, but I was still overall not impressed with the compressed size. But again this is the tradeoff with the Disco Endless Promise: a more spacious bag is also a bulkier and heavier bag.

Nemo Disco sleeping bag camper

SHAPE AND DESIGN

The bag, as mentioned multiple times in this article and the original Disco article, is a spoon shape. This means that the bag has a curve in the design as opposed to traditional mummy designs, which are wider at the top/head and shoulder area but become narrower towards the footbox. The Nemo Spoon Shape instead has extra width at the shoulders and knees area, creating curves in the bag’s design that accommodate side sleepers and, without intending to, those with extra inches on their hips and shoulders like myself. 

After testing the bag, I think the design and shape make the Disco Endless Promise my favorite piece of gear next to my Big Agnes tent. As a plus-size outdoors person, I am used to gear not being made with my body in mind and I have spent almost a decade of my adventuring life using “men’s” sleeping bags because they have extra inches at the shoulders and waist that I need. 

Nemo Disco Sleeping Bag

The Spoon Shape is well worth the price in my opinion (especially considering that it is lower in price than many of its contemporaries on the market).

Nemo has three design tailorings of its Spoon Shape: Athletic, Classic, and Relaxed. The Athletic Spoon Shape, which is on bags like the Nemo Riff, is slightly smaller in the hips, knees, and shoulders than the Disco, which is a Classic Spoon Shape.

Of Nemo’s three designs, the Relaxed Spoon Shape has the most generous cut in the hips, shoulders, and knees but is not as ideal for backpacking due to its heavier weight and bulk. I find the Disco Endless Promise to sit at an ideal middle place in terms of shape and fit, and the Spoon design is excellent in my opinion.

That being said, the new Disco 15 Endless Promise is a less wide fit than the previous model. The Endless Promise 15 Long has a maximum hip girth of 57 in, a knee girth of 61 in, and a shoulder girth of 62 in. This hip girth is down 2 in from the original Disco and the knee girth is down 1 in. The shoulder girth is down 2 in. 

Sawtooth NF Nemo Disco Bag Testing

THERMOGILL VENTILTION

The Nemo Disco Endless Promise bags have Nemo’s Thermo-Gill vents, which take the shape of two long zippered vents on the torso of the bag. Unzipping allows for extra ventilation and warmth retention, which I will go into further detail about below when I share my experience with the bag’s thermal performance and sleep quality.

BLANKET FOLD BAFFLE AND DRAFT TUBES

The Blanket Fold baffle and draft tubes are features that I appreciated on cold nights, as I could tuck into it and keep warm without creating a lot of condensation.

WATERPROOF FOOTBOX

As with the original Disco, I loved the waterproof footbox on the Disco Endless Promise. A waterproof footbox, which I’ve never encountered with other sleeping bags, is to prevent a wet bag and thus wet feet when pressed against the wall of the tent at night. This was an issue I didn’t realize needed solving until it was solved with this bag, and as a tall person who often presses my feet against the walls of the wet tent I greatly appreciated the added protection.

PILLOW POCKET

The Disco 15 Endless Promise has a built-in pillow pocket, where you can insert extra clothing or a camping pillow for added comfort.

ELECTRONICS POCKET

Near the head of the bag there is also a small pocket for electronics, and it fit my AirPod case and iPhone easily. This prevents devices from freezing or getting too cold for use and is a welcome feature.


comfort-sleeping-experience

Nemo Disco Sleeping Bag Camping

ERGONOMICS AND DESIGN FOR COMFORT

As mentioned throughout this review and in my original Disco review, the innovative Spoon Shape in the Classic tailoring makes the Nemo Disco stand apart from a sea of mummy bags that most campers turn to for backpacking and even car camping purposes. 

The extra space at the shoulders, knees, and hips allow for easy turning in the bag. As a restless sleeper who often twists and turns in the night, the Nemo was a welcome shift from constricting mummy bags that are often too tight around my hips. The additional space also worked for me as a larger bodied person.

ROOMINESS AND SPACIOUSNESS

Nemo Disco Sleeping Bag Down

As explained in the Shape and Design section above, the Disco's Spoon Shape contributes to its roominess and spaciousness. The curved design is different from traditional mummy designs, which are wider at the top/head and shoulder area but become narrower towards the footbox. 

The Nemo Spoon Shape instead has extra width at the shoulders and knees area, creating curves in the bag’s design that accommodate side sleepers and, without intending to, those with extra inches on their hips and shoulders like myself.

SLEEP QUALITY AND THERMAL PERFORMANCE

The sleep quality in the Nemo Disco Endless Promise was high. In late summer I did feel warm in the 15 degree bag at night and unzipped the bag to add in ventilation and sleep with my leg out. This did not affect my ability to sleep nor did I wake up sweaty or clammy, something I have encountered with other sleeping bags in the past. If you’re a warm sleeper or sleeping in warmer climates, using the Nemo Disco 30 Endless Promise would serve you better than the 15.

The lining of the Disco Endless Promise is also a standout, using taffeta material that doesn’t feel as slick to the touch as most sleeping bags do. The materials of the bag are quieter as well, with less rustling at night as I twisted and turned.


Durability and quality

Nemo Disco Sleeping Bag Testing Zipper Pull

MATERIALS USED IN CONSTRUCTION

The shell, footbox, and lining are 100% recycled polyester ripstop that feels strong and durable without being noisy when turning at night or moving around. This is a change from the previous model, which used 100% nylon. 

The hydrophobic 650 FP down fill of the bag isn’t the highest quality down out there, but I found that it performed as well as my beloved REI Joule (now discontinued) with 700 FP down fill. Learn more about down fill here

Nemo Disco sleeping bag

DURABILITY OF ZIPPERS

As with the original Disco, I found zipping up and down the bag to be fairly easy even when running to the bathroom in the middle of the night (we’ve all been there). 

The zipper is a full length double slider #5 YKK zipper, with a plow. This means that the zipper is large enough to be pulled from different angles, in the dark, and with just one hand or two without a single snag. The Thermo-Gills, on the other hand, have a much smaller and slicker zipper which were somewhat difficult to unzip quickly and required more care when doing so.

Although I have not tested it, according to Nemo’s website the right zipper on the “women’s” bag (which only comes with a right zipper) can be coupled with the left zipper on the “men’s” bag, making a larger quilt/bag that can be shared among two sleepers. 

Unfortunately, the double bag can only be created with a men's bag plus a women's bag.

Should any problems occur, Nemo offers a Lifetime Warranty on their gear.

SEAMS, AND STITCHING

The seams on the Disco Endless Promise are strong. As a sewer I am often picky about seams on my gear, holding them up to the sun and pulling to see if any light comes through. The Disco’s stitching is firmly reinforced and durable, and I’m confident that it will last through many years to come.

The stitching placement on the Disco Endless Promise is also excellent, with seams running across the top of the footbox where the waterproof material begins and in vertical lines down the length of the bag, a seam pattern that seems to be made for heat retention and comfort. 

LONG-TERM PERFORMANCE AND WEAR-AND-TEAR RESISTANCE

I am a backpacker and a camper who does not go anywhere without my dog, who is the ultimate tester of wear and tear resistance on a bag. The recycled polyester ripstop shell of the bag feels tough but still pleasant to the touch, and I intend to keep using the bag without much fear of premature wear and tear. Should any problems occur, Nemo offers a Lifetime Warranty on their gear.


EASE OF USE AND PORTABILITY

HOW EASY IS IT TO PACK AND UNPACK?

The Disco 15 Endless Promise came with a larger stuff sack for storage and a compression sack for packing the bag down as small as it can go. It performed well when tossed loosely in the larger net sack and when compressed down, and I did not get lost in the bulk of the bag. I tested the Long, so the bag itself is 6" longer than the Regular length and there is extra material to contend with, but I found it to be easy to store away and easy enough to compress down into my pack.

COMPATIBILITY WITH OTHER SLEEPING PADS

Unlike Big Agnes sleeping bags and some other sleep systems I tested for my sleeping bags guide, the Nemo Disco Endless Promise does not include a sleeve on the bottom of the bag for a pad. 

WEIGHT AND BULKINESS FOR BACKPACKING

A trade-off with the Nemo Disco Endless Promise (as with the Disco before it) is that as a roomier bag is the extra inches that are included in a larger bag. Extra inches equal extra ounces, and the Disco 15 Endless Promise and 30 are certainly not the lightest bags on the market.

For my purposes as a regular backpacker who often shares my load with a partner and doesn’t go for longer than 3-5 days on the trail at a time, I found the Disco Endless Promise to be sufficiently low and the compression sack to do an adequate job with making the bag fit in my pack.


Nemo Disco Sleeping Bag

PERFORMANCE IN VARIOUS CONDITIONS

WARMTH IN COLD WEATHER

The Disco 15 Endless Promise is a solid shoulder season bag, able to withstand chilly spring evenings and late fall nights. 

VENTILATION IN WARM WEATHER

With the use of the Thermo-Gills to aid in ventilation, the Disco 15 Endless Promise did not make me feel smothered or too hot in the summer. I enjoy sleeping with a bag half unzipped, and found the sleeping experience to be breathable and comfortable in warmer weather.

MOISTURE RESISTANCE AND WATER-REPELLENT

FEATURES

The waterproof footbox on the Nemo Disco Endless Promise gets my highest praise, and the synthetic outer materials are made for water-repellency. Of course, down will never be fully waterproof, but the hydrophobic down fill paired with the synthetic outer result in a bag that feels strong in the face of most condensation and wet conditions. 

PERFORMANCE IN HIGH-ALTITUDE AND EXTREME CONDITIONS

At 10,000 feet in the Sawtooths and Tetons, the Nemo Disco Endless Promise bag performed just as well as it did in my backyard at 5,000 feet. I will certainly feel comfortable bringing the bag on more trips to high altitude areas. 

In heavy winds the Disco Endless Promise performed excellently, withstanding gusts that felt around 30 mph or even stronger. The Blanket Baffle kept me warm, still, and protected inside the bag.


NEMO DISCO ENDLESS PROMISE VS. NEMO DISCO

Nemo Disco Endless Promise vs. Original Nemo Disco Comparison Table

SLEEPING BAGS LENGTH EXTREME / COMFORT RATING WIDTH WEIGHT MSRP**
SHOULDERS (IN) HIPS (IN) KNEES (IN)
Nemo Disco 15 Regular Endless Promise (women's) Regular (fits 5'6") 4 F / 17 F 60 56 59 3 lb. 5 oz $320
Nemo Disco 15 Long Endless Promise (women's) Long (fits 6") 4 F / 17 F 62 57 61 3 lb. 10 oz $350
Nemo Disco 30 Regular Endless Promise (women's) Regular (fits 5'6") 21 F / 31 F 60 56 59 2 lb. 4 oz. $280
Nemo Disco 30 Long Endless Promise (women's) Long (fits 6") 21 F / 31 F 62 57 61 2 lb. 7 oz $300
Nemo Disco 15 Regular Endless Promise (men's) Regular (fits 6") 16 F / 27 F 62 57 61 2 lb. 11 oz $320
Nemo Disco 15 Long Endless Promise (men's) Long (fits 6'6") 16 F / 27 F 64 58 63 2 lb. 15 oz $350
Nemo Disco 30 Regular Endless Promise (men's) Regular (fits 6") 30 F / 40 F 62 57 61 1 lb. 15 oz $280
Nemo Disco 30 Long Endless Promise (men's) Long (fits 6'6") 30 F / 40 F 64 58 63 2 lb. 2 oz $300
Nemo Disco 15 Down Sleeping Bag (women's) Regular (fits 5'6") 5 F / 17 F 62 58 60 3 lb. 5 oz $319
Nemo Disco 15 Down Sleeping Bag (men's) Regular (fits 6") 14 F / 25F 64 59 62 2 lb. 11 oz $349
Nemo Disco 30 Down Sleeping Bag (women's) Regular (fits 5'6") 20 F / 31F 64 59 62 2 lb. 5 oz $279
Nemo Disco 30 Down Sleeping Bag (men's) Regular (fits 6") 30 F / 41 F 64 62 62 1 lb. 15 oz $299
SOURCE: Manufacturers
Albion Mountains Sawtooth NF Backpacking Nemo Disco Sleeping Bag

The author in the Nemo Disco 15 original.

I've tested the original Disco 15 and the new Disco 15 from the Endless Promise Collection, which is featured in this review. 

The new Nemo Endless Promise has advantages over the older model.

Nemo’s Endless Promise collection is intentionally designed to create gear that is monopolymer. This means that products in this line are made of single materials or fibers, which makes the recycling process for these products quicker and easier than other items which are made of multiple materials. 

Additionally, less energy is used in the creation of monopolymer products. What this means for the Disco 15 Endless Promise bag is that the bag can live on seemingly forever, as the bag is fully recyclable and can be sent to NEMO at the end of its usable life where it will either be resold, repaired, or it will go on to create new items in Nemo’s partnership with Ambercycle (a textile recycler) and Allied Feather and Down. 

Owners of the bag will also receive a NEMO gift card for the resale price of the bag if it’s in good enough condition to be resold, an additional incentive for purchasing a bag that will never end up in a landfill.


Nemo Disco 15 Endless Promise

NEMO DISCO 15 ENDLESS PROMISE VS 30

Temperature rating (women’s): 21 F extreme / 31 F comfort

Temperature rating (men’s): 30 F extreme / 40 F comfort

Weight: 2 lb. 4 oz. (women’s regular), 1 lb. 15 oz (men’s regular)

I tested the Nemo Disco Endless Promise 15F and it is also available in a 30F bag (men's and women's).

Both bags are identical in features and design. They both use 650 fill power RDS waterproof down. They both have the same width at the shoulders, knees, and hips. The sleeping experience is similar with the exception of fill weight, weight of the entire bag, compression size, and temperature rating. The 30F is also less expensive than the 15F.

The decision regarding which temperature version to choose comes down to personal preference, use, and sleeping comfort. I camp and backpack in northern parts of the U.S. and at altitude, so preferred the 15F bag. However, if you camp and backpack mostly in the summer, a 30F bag may be a better choice.

NEMO DISCO 30 ENDLESS PROMISE

The 30 is a lot smaller than the 15 in volume when compressed (4.8 L vs. 8.8 L in regular length). It is lighter by a lot (1 lb 1 oz  lighter in regular length, 1 lb 3 oz lighter in long length). This can be important when taking into account overall weight for backpacking.

Another reason to opt for the 30 F is if you are a hot sleeper. My partner, for example, runs very warm and dislikes most traditional bags because of their inability to regulate their temperature through the night. For folks like this, choosing a bag with a higher temperature rating can help with this issue.


WHAT COULD BE BETTER

Sawtooth NF Nemo Disco Testing

Close-up of the smaller zippers on the Thermogills of the Nemo Disco Endless Promise sleeping bag.

The zipper on the Thermo-Gills of the Disco Endless Promise, as I mentioned before, are small and narrow, and are about the length of my pinky. This was a problem with the original Disco and continues in the Endless Promise version. 

With gloves it could be very difficult to zip and unzip the gills, and I needed to go slow even when I did it without gloves. I wish Nemo would use the same zipper design on the side of the bag as they do on the Thermo-Gills.

As with many pieces of gear, the Disco Endless Promise is not intentionally made for plus-size and larger people. That being said, the Endless Promise version is less wide than the original Disco. 

The Endless Promise version is less wide than the original version. The shoulder girth is the same but the hip width is down from 2 in from the previous version. The knee girth is down 1 in and the shoulder girth is down 2 in.  

The Spoon Shape happened to be a good fit for me, but if I were a few inches wider at my hips or arms I would struggle to zip up the bag. If Nemo were to make the Disco Endless Promise in a Wide or Extra Wide size they would reach a market that is mostly being ignored right now: plus-size and larger people who need comfortable and safe sleeping equipment for backpacking and camping.


Nemo Disco sleeping bag

SHOULD I BUY THE NEMO DISCO Endless Promise SLEEPING BAG?

In short: yes! The Disco 15 Endless Promise is my favorite sleeping bag I have tested thus far, performing overall best for me on backpacking trips and car camping excursions. I loved being able to move and stretch in the bag, a rare occurrence for me since I often feel strapped down and too tight in many other backpacking bags I’ve tried over the years. 

The colors of the bag, which are gold in the new sustainable materials version, are attractive without being too bright, which I prefer over the neon colorways that many brands use on their gear.

Mostly, I would buy and recommend the Disco Endless Promise because it is light enough for most backpacking trips yet comfortable enough for a week of tent camping in a campground. 

The features, from the electronics pocket to the Blanket Baffle to the waterproof footbed, make it technical and agile on the trail. 

Sitting at $50-$200 less than other backpacking bags, it’s also a great entry level bag to start backpacking with. I wish I had the Nemo Disco Endless Promise when I was first starting my journey outdoors, and I can’t wait to use this bag through the next year once late spring and summer comes back to my area.


OTHER MODELS AVAILABLE

NEMO DISCO Endless Promise 30

NEMO DISCO Endless Promise 30

Extreme temperature rating / comfort temperature rating: 30 F / 40 F (men’s), 21 F / 31 F (women’s)

Insulation: 650-fill-power down

Width: shoulders up to 62", hips up to 57", knee up to 61" (mens’s), shoulders up to 60", hips up to 56", knee up to 59" (women’s)

Weight: 1 lb. 15 oz (men’s), 2 lb. 4 oz. (women’s)

I get into the specifics about the Nemo 30 Endless Promise above. It's got a fill weight 1 lb and compressed volume of 6.6L in the 30 Regular, that is 13 oz less and 2.4 L less than the Disco 15. 

The new version has 2 oz more fill weight.

NEMO DISCO ENDLESS PROMISE 30


Nemo Disco 15

Nemo Disco Down Sleeping Bag

Extreme temperature rating / comfort temperature rating: 16 F / 27 F (men’s), 4 F / 17 F (women’s)

Insulation: 650-fill-power down

Width: shoulders up to 62", hips up to 57", knee up to 61" (men’s), shoulders up to 60", hips up to 56", knee up to 59" (women’s)

Weight: 2 lb. 11 oz (men’s), 3 lb. 5 oz (women’s)

The original version of the Nemo Disco is still available at limited retailers and at REI in their Good and Used section. It doesn't have the Endless Promise cyclical design, so you won't be able to send it back to Nemo to be recycled. Otherwise, the design is similar. 

The original Disco weighs less than the Endless Promise version. However, the old Disco is bulkier.

NEMO DISCO 15


Nemo Riff Endless Promise

Nemo Riff Endless Promise

Extreme temperature rating / comfort temperature rating: 17 F/ 28 F (men’s), 5 F / 18 F (women’s)

Insulation: 800-fill-power sown

Width: shoulders up to 52", hips up to 54", knee up to 59" (men’s), shoulders up to 58", hips up to 52", knee up to 55" (women’s)

Weight: 2 lb. 10 oz (men’s), 3 lb. 4 oz (women’s)

We get into the specifics about the Nemo Riff Endless Promise above. It uses a higher fill power to create a warmer bag that is more compressible and lighterweight. However, it costs more than the Disco. Like the Disco, it is part of the Endless Promise program so is made with monopolymer materials that can be fully recycled at the end of its life.

NEMO RIFF ENDLESS PROMISE


Nemo forte Endless Promise

Nemo Forte Endless Promise

Extreme temperature rating / comfort temperature rating: 20 F/ 30 F (men’s), 10 F / 20 F (women’s)

Insulation: Synthetic

Width: shoulders up to 59", hips up to 54", knee up to 60" (men’s), shoulders up to 59", hips up to 54", knee up to 56" (women’s)

Weight: 3 lb. 7 oz (men’s), 3 lb. 10 oz (women’s)

We get into the specifics about the Nemo Forte Endless Promise above. It uses synthetic insulation instead of down, so it stays warm when wet and is suitable for vegans. It also costs less than the Disco. Like the Disco, it is part of the Endless Promise program so is made with monopolymer materials that can be fully recycled at the end of its life. It's available in 20 and 35 F degree temperature ratings.

NEMO FORTE ENDLESS PROMISE


ABOUT THE AUTHOR / WHY YOU SHOULD TRUST US

I am a youth development worker who spent much of my early career in outdoor education and camp spaces, taking young people in nature to learn and immerse themselves in outdoor experiences that help them grow and develop. I also backpack and camp recreationally and have recently moved to Southern Idaho, where I have spent the summer and fall camping and backpacking through the Sawtooths, Tetons, and Albion ranges (like City of Rocks National Reserve). Along the way I brought the Nemo Disco 15 with me, and have come to turn to this bag for every trip I have taken and likely for every trip I take in the future. You can read all of Gabi's articles on her author page.