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NEMO Disco 15 Review

A mid-range sleeping bag that's comfortable but heavy
NEMO Disco 15
Photo: NEMO
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Price:  $320 List | Check Price at REI
Compare prices at 3 resellers
Pros:  Spacious, reasonable price, versatile
Cons:  Heavy, bulky, just average down insulation
Manufacturer:   NEMO Equipment
By Jack Cramer ⋅ Review Editor  ⋅  Apr 30, 2021
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66
OVERALL
SCORE


RANKED
#11 of 21
  • Warmth - 20% 9
  • Weight - 20% 3
  • Comfort - 20% 9
  • Packed Size - 15% 5
  • Versatility - 15% 6
  • Features & Design - 10% 7

Our Verdict

The Nemo Disco 15 is an ideal sleeping bag for anyone who believes that bigger is always better. It boasts some of the roomiest dimensions of any backpacking sleeping bag we've tested. That makes it a great choice for side or tummy sleepers, or anyone annoyed by the cramped interiors of ordinary mummy sleeping bags. Its ample dimensions, however, require extra materials that lead to consequences when it comes to weight and packed size. If that's not a deal-breaker for you, go ahead and enjoy this decent bargain. Nemo also offers similar designs that are filled with premium down and suffer less weight and packability disadvantages.

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NEMO Disco 15
This Product
NEMO Disco 15
Awards  Editors' Choice Award Top Pick Award Top Pick Award  
Price Check Price on REI
Compare at 3 sellers
$314.96 at Backcountry
Compare at 2 sellers
$430 List$269.46 at Backcountry$409.00 at Feathered Friends
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Star Rating
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Pros Spacious, reasonable price, versatileSpacious dimensions, super comfortable, great loft, lightweight, made in the USASuper lightweight, incredible loft, snag-proof zipper, cozy hoodBest-in-class warmth, legit draft collar, light weight, exceptional loftBest-in-class zipper, best-in-class hood, awesome loft, great warmth-to-weight ratio
Cons Heavy, bulky, just average down insulationExpensive, awkward hood, good but not great zipperUncomfortably narrow dimensions, bare-bones design, noisy fabricReally pricey, kind of bulky, awkward hood closureNarrow leg dimensions, no draft collar, heavier and bulkier than some 3-season options
Bottom Line A comfortable mid-range sleeping bag with a bit of a weight issueIf we could only have one bag for the rest of our lives, this would be itThe ideal bag when you need the warmth, but ounces matter tooThe best bag for the coldest shoulder season nightsExceptional warm and loft along with our favorite hood and zipper
Rating Categories NEMO Disco 15 MegaLite Hummingbird UL 30 UltraLite Swallow 20 YF
Warmth (20%)
9
8
8
10
9
Weight (20%)
3
8
9
7
7
Comfort (20%)
9
9
7
7
7
Packed Size (15%)
5
8
8
6
7
Versatility (15%)
6
7
8
8
8
Features & Design (10%)
7
7
7
7
7
Specs NEMO Disco 15 MegaLite Hummingbird UL 30 UltraLite Swallow 20 YF
Insulation 650 FP Down 850+ FP Down 950+ FP Down 850+ FP Down 900+ FP Down
Compressed Volume (L) 10.1 L 7.2 L 7.3 L 8.7 L 8.5 L
Measured Bag Weight (Size Long) 2.74 lbs 1.62 lbs 1.45 lbs 1.86 lbs 1.94 lbs
Manufacturer claimed weight of size Regular (lbs) 2.69 lbs 1.5 lbs 1.33 lbs 1.81 lbs 1.79 lbs
Compression/Stuff Sack Weight (oz) 2.4 oz 1.6 oz 0.8 oz 1.6 oz 1.0 oz
Hydrophobic down Yes No No No No
Manufacturer Temp Rating (F) 15 F 30 F 30 F 20 F 20 F
EN Temp Rating (Lower Limit, F) 14 F Not rated Not rated Not rated Not rated
Fill Weight (oz) 22 oz 13 oz 12 oz 17 oz 17.5 oz
Compression or stuff sack included? Compression sack Stuff Stuff Stuff Stuff
Shell material 30D Nylon ripstop Extremelite (12D) Pertex Endurance (10D) Extremelite (12D) Pertex YFuse (20D)
DWR? Yes No Yes No No
Liner material 30D Nylon taffeta n/a n/a n/a Pertex 20 denier nylon taffeta
Neck Baffle Yes No No Yes No
Small Organization Pocket Yes No No No No
Zipper 3/4-length / Left side Full-length / Side Full-length / Side Full-length / Side Full-length / Side
Shoulder Girth (in) 66 64 58 59 60
Hip Girth (in) 60 Not stated 52 Not stated 56
Foot Girth (in) 64 39 38 38 38

Our Analysis and Test Results

Nemo currently manufactures an assortment of innovative sleeping bags. Many include an hourglass shape and impressive set that our testers near-universally appreciate. The Disco represents one of the more affordable down models in this extensive lineup.

Performance Comparison


Nemo makes some excellent backpacking sleeping bags. The heavyset...
Nemo makes some excellent backpacking sleeping bags. The heavyset Disco 15 isn't our favorite, but it certainly holds its own.
Photo: Jack Cramer

Warmth


The Disco 15 is filled with 22 oz of 650FP down insulation. That earns it a respectable 14F lower limit temperature rating in the industry-standard EN test. It also features a cozy neck baffle to help prevent heat from escaping out the hood. Unfortunately, in our tests it didn't quite live up to its temp rating, feeling closer to other 20F down bags. This may be due to its spacious dimensions which theoretically require more body heat to warm. Larger folks may therefore find the 15F rating to feel more accurate.

The yellow neck baffle supplies some coziness and helps seal heat...
The yellow neck baffle supplies some coziness and helps seal heat inside.
Photo: Jack Cramer

Weight


At 2.74 lbs for a size long, this bag is on the heavier side in our 3-season backpacking sleeping bag review. This is probably a consequence of its generous dimensions. Nemo's variety of spacious sleeping bags all seem to suffer from substantial weight disadvantages. This problem is exacerbated among bags with warmer temp ratings, like the Disco 15, because more and more materials are required to insulate the extra interior space.

The Disco 15, and most Nemo sleeping bags, provide tremendous space...
The Disco 15, and most Nemo sleeping bags, provide tremendous space at the foot of the bag which makes stretching your legs much more enjoyable.
Photo: Jack Cramer

Comnfort


The Disco 15 performs the best when it comes to comfort. Its broad hourglass space provides an impressively roomy interior space. This is ideal for side and tummy sleepers who like to stretch their legs. It's also perfect for anyone who feels claustrophobic inside traditional mummy sleeping bags. We should acknowledge, however, that the 30-denier nylon taffeta lining fabric doesn't feel quite as luxurious as some of the fabrics found on the higher-end bags.

The Disco 15 comes with an excellent compression sack for packing...
The Disco 15 comes with an excellent compression sack for packing this bag down to its minimum size.
Photo: Jack Cramer

Packed Size


To enjoy the Disco's plush dimensions you must be willing to accept a drawback in terms of packed size. We measured a size Long's compressed volume at 10.1L in a third-party compression sack. That leaves it as one of the bulkiest bags in the backpacking category. Fortunately, Nemo includes a solid compression sack with the purchase of this bag so you have the tool you need to get it packed down as small as possible.

You can open the "thermo gills" on the top of the Disco 15 to spread...
You can open the "thermo gills" on the top of the Disco 15 to spread out the insulation and shed excess heat on a warm night.
Photo: Jack Cramer

Versatility


All down insulation needs to be handled carefully in wet environments. If you allow the Disco's feathers to get soaked, they will clump together and lose nearly all of their insulative power. For wet conditions, it's, therefore, better to consider a bag with synthetic insulation or waterproof shell fabric.

Our testers are pleased with the versatility advantages of this bag's unusual "thermo gills." These are a pair of tiny zippers on the top of the bag that allow you to spread insulation out and shed extra heat on warm nights. You can also zip them closed to trap heat and extend the usable temp range down a few degrees.

There is a convenient sleeve in the hood of the bag for securing a...
There is a convenient sleeve in the hood of the bag for securing a camp pillow in position.
Photo: Jack Cramer

Features & Design


The Disco is fitted with an extensive array of accessory features. There is a small zippered pocket for storing a phone or headlamp. There is also a sleeve in the hood of the bag to keep your camp pillow in place. Our favorite nicety though might be the waterproof fabric that guards the foot of the bag. This ensures that the bag's insulation stays dry even if it accidentally rubs up against a condensation-covered tent wall.

Value


This is an affordable but not quite budget sleeping bag. We think it's a good choice if you're intrigued by Nemo's spacious hourglass bags but don't want to fork over serious dough for one of their premium down models. Keep in mind though that these cost savings comes with a significant drawback in terms of heft.

Conclusion


Among a wide array of sleeping bag choices, the Nemo Disco 15 is best suited for those seeking a comfortable, mid-cost option. It doesn't win any points for its near-average warmth-to-weight ratio, but it's a capable model that's versatile enough to meet a range of conditions across a broad temperature range.

Jack Cramer