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 spec comparison. REI Co-op Trailmade 20 Sleeping Bag is cheaper at $100. Every spec and price links to its source.
Side by side
| REI Co-op Trailmade 20 Sleeping Bag | Disco Men's Endless Promise Down Sleeping Bag 15F | |
|---|---|---|
| US price | $100 (Current list price per rei.com; replaces discontinued Trailbreak 20) | $299.95 (MSRP, regular size, per nemoequipment.com) |
| 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).