REI Co-op
REI Co-op Trailmade 20 Sleeping Bag
$100Cheaper
Best Sleeping Bags · head-to-head
REI Co-op Trailmade 20 Sleeping Bag vs Disco Men's Endless Promise Down Sleeping Bag 15F
A sourced, side-by-side comparison. REI Co-op Trailmade 20 Sleeping Bag is cheaper at $100. Every spec and price links to its source.
NEMO Equipment
Disco Men's Endless Promise Down Sleeping Bag 15F
$299.95
Released 2024
Which is better: the REI Co-op Trailmade 20 Sleeping Bag or Disco Men's Endless Promise Down Sleeping Bag 15F?
The Disco Men's Endless Promise Down Sleeping Bag 15F wins 1 of the 1 specs we compare head to head; the other wins 0. The REI Co-op Trailmade 20 Sleeping Bag is the cheaper at $100. Get the Disco Men's Endless Promise Down Sleeping Bag 15F for the stronger spec sheet, the REI Co-op Trailmade 20 Sleeping Bag to spend less.
See REI Co-op Trailmade 20 Sleeping Bag on Amazon See Disco Men's Endless Promise Down Sleeping Bag 15F on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | REI Co-op Trailmade 20 Sleeping Bag | Disco Men's Endless Promise Down Sleeping Bag 15F |
|---|---|---|
| US price | $100 | $299.95 |
| Brand | REI Co-op | NEMO Equipment |
| Released | — | 2024 |
| Temperature rating f | 21 | 15 |
| Insulation type | synthetic | down |
| Fill power | — | 650 |
| Shape | mummy | spoon |
| Packed weight (lb) | 3.29 | 2.69 |
| Packed size | 10 x 13 in | 11.5 x 8.5 in |
| Zipper side | — | left |
| Product note | Replaced the discontinued Trailbreak 20; recycled synthetic insulation; ISO Lower Limit 21F, Comfort 31F | Classic Spoon shape (mummy variant with extra shoulder/hip width); 650 FP PFAS-free hydrophobic RDS-certified down; Thermo Gill vents |
Sources — REI Co-op Trailmade 20 Sleeping Bag: rei.com (verified 2026-06-20). Disco Men's Endless Promise Down Sleeping Bag 15F: nemoequipment.com (verified 2026-06-20).
What's the difference between the REI Co-op Trailmade 20 Sleeping Bag and Disco Men's Endless Promise Down Sleeping Bag 15F?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Temperature rating f: REI Co-op Trailmade 20 Sleeping Bag 21 vs Disco Men's Endless Promise Down Sleeping Bag 15F 15
- Insulation type: REI Co-op Trailmade 20 Sleeping Bag synthetic vs Disco Men's Endless Promise Down Sleeping Bag 15F down
- Shape: REI Co-op Trailmade 20 Sleeping Bag mummy vs Disco Men's Endless Promise Down Sleeping Bag 15F spoon
- Packed weight (lb): REI Co-op Trailmade 20 Sleeping Bag 3.29 vs Disco Men's Endless Promise Down Sleeping Bag 15F 2.69
- Packed size: REI Co-op Trailmade 20 Sleeping Bag 10 x 13 in vs Disco Men's Endless Promise Down Sleeping Bag 15F 11.5 x 8.5 in
- Product note: REI Co-op Trailmade 20 Sleeping Bag Replaced the discontinued Trailbreak 20; recycled synthetic insulation; ISO Lower Limit 21F, Comfort 31F vs Disco Men's Endless Promise Down Sleeping Bag 15F Classic Spoon shape (mummy variant with extra shoulder/hip width); 650 FP PFAS-free hydrophobic RDS-certified down; Thermo Gill vents