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NEMO Equipment Inc.
Forte Endless Promise Sleeping Bag: 20F Synthetic

4 out of 5 stars
2 Reviews
$219.95 - $239.95
Color:Abyss/Green Sheen



Why We Like The NEMO Forte Endless Promise Sleeping Bag

The Forte Endless Promise Sleeping Bag is a responsibly made upgrade to one of NEMO's most popular sleeping bags. This cozy resting space provides the same comfort as the original, with some earth-friendly updates. The Classic Spoon shape offers the heat retention of a mummy with a roomier knee zone for a less-constricting feel. Thermo Gill vents feature a new multi-stage zipper to fine-tune airflow and dial in the perfect temperature. And the Blanket Fold draft collar provides the familiar feeling of a blanket back home, blocking cold air while tucked in or releasing heat when folded down. All this, plus a fully recyclable design, makes this a choice sleeping bag.

As part of their earth-driven initiatives, NEMO's Endless Promise lineup uses mono-polymer designs, making recycling these products easy and achievable. Post-consumer recycled Zerofiber synthetic insulation compresses well and provides warmth in wet and dry conditions, and the recycled polyester shell and liner are soft, lightweight, and breathable.


  • Future-driven sleeping bag from mono-polymer recyclable materials
  • 20-degree rating ideal for three-season camping in cool weather
  • Classic Spoon mummy-like shape with space to stretch and side-sleep
  • Recycled shell and lining fabric offer earth-friendly comfort
  • Synthetic insulation is warm, compressible, and weather-resistant
  • Zippered vents and Blanket Fold draft collar allow temperature control
  • Integrated pillow pocket increases sleeping comfort
  • Compression sack and repair kit included
  • Item #NEMK03X
Responsible Collection
bluesign® approved, Recycled/Repurposed
[face fabric] Endless Promise (30D 100% recycled polyester ripstop), [lining] Endless Promise (20D 100% recycled polyester taffeta)
Zerofiber PCF (100% post-consumer recycled synthetic)
Classic Spoon (mummy)
Max User Height
[regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[regular] 59in, [long] 66in
Hip Circumference
[regular] 54in, [long] 60in
Foot Circumference
[regular] 60in, [long] 64in
Bag Length
[regular] 78in, [long] 84in
Draft Tube
Blanket Fold draft collar
1 hood pillow
Pad Retainer
Thermo Gill zippered front
Fill Weight
[regular] 2lb, [long] 2lb 14oz
European Norm/ISO Comfort Rating
[regular] 30F, [long] 32F
Stuff Sack
compression sack included
Stuff Size
[regular] 18 x 9.5in (5.3L), [long] 18 x 9.5in (9.7L)
Claimed Weight
[regular] 3lb 7oz, [long] 3lb 11oz
weekend camping
Manufacturer Warranty

Overall Rating

4 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 2 reviews
5 Stars - 0 reviews

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4 out of 5 stars

December 29, 2023

Pretty Good For bigger guys

I'm 6ft 250lbs with very broad shoulders. I decided to go with the long since the shoulder circumference was 3" bigger than the regular; if my shoulders weren't so broad I'd have gotten the regular.. Even though I've got a bit of extra room in the toe box my feet weren't too cold when I had it in 31F/-1C weather. That said, it was still a little bit tight in the shoulders. The neck collar was fantastic, but the zipper baffle did have a few gaps around my shoulders that let some cool air in around my shoulders. I added the blaze bag liner and that helped a lot. The zipper did snag a couple times but was easy to unsnag. I also found the hood to be a little oversized and difficult to cinch down, but I think that's more of a user error issue I'll work out with time. The straps on my compression sack popped off at the stitches, but customer services was great with replacing it - prompt response with zero hastle. I'd definitely recommend this for broader folks and side sleepers. The only thing stopping it from being an excellent bag is the zipper snagging which happens a little too often to be dismissed. Otherwise, I love it.

Jimmy G

Originally reviewed on

4 out of 5 stars

July 19, 2023

100% recyclable is not recycled

100% recyclable is not recycled 100% recyclable is not recycled


Originally reviewed on