Marmot
Trestles Elite Eco 20 Sleeping Bag
$200Cheaper
Best Sleeping Bags · head-to-head
Trestles Elite Eco 20 Sleeping Bag vs UltraLite Sleeping Bag
A sourced, side-by-side comparison. Trestles Elite Eco 20 Sleeping Bag is cheaper at $200. Every spec and price links to its source.
Western Mountaineering
UltraLite Sleeping Bag
$660
Which is better: the Trestles Elite Eco 20 Sleeping Bag or UltraLite Sleeping Bag?
The UltraLite Sleeping Bag wins 1 of the 1 specs we compare head to head; the other wins 0. The Trestles Elite Eco 20 Sleeping Bag is the cheaper at $200. Get the UltraLite Sleeping Bag for the stronger spec sheet, the Trestles Elite Eco 20 Sleeping Bag to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Trestles Elite Eco 20 Sleeping Bag | UltraLite Sleeping Bag |
|---|---|---|
| US price | $200 | $660 |
| Brand | Marmot | Western Mountaineering |
| Released | — | — |
| Temperature rating f | 20 | 20 |
| Insulation type | synthetic | down |
| Fill power | — | 850 |
| Shape | mummy | mummy |
| Packed weight (lb) | 2.37 | 1.81 |
| Packed size | 9.4 x 18.9 in | 7 x 13 in |
| Zipper side | left | left or right |
| Product note | HL-ElixR Eco Micro recycled synthetic insulation; dual-zipper with secondary vent zip; ISO comfort 32F, lower limit 21.6F; listed weight 1,077 g | 850+ FP ethically-sourced premium goose down; USA made; full-length #5 YKK zipper; 6'0" version weighs 1 lb 13 oz |
Sources — Trestles Elite Eco 20 Sleeping Bag: rei.com (verified 2026-06-20). UltraLite Sleeping Bag: westernmountaineering.com (verified 2026-06-20).
What's the difference between the Trestles Elite Eco 20 Sleeping Bag and UltraLite Sleeping Bag?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Insulation type: Trestles Elite Eco 20 Sleeping Bag synthetic vs UltraLite Sleeping Bag down
- Packed weight (lb): Trestles Elite Eco 20 Sleeping Bag 2.37 vs UltraLite Sleeping Bag 1.81
- Packed size: Trestles Elite Eco 20 Sleeping Bag 9.4 x 18.9 in vs UltraLite Sleeping Bag 7 x 13 in
- Zipper side: Trestles Elite Eco 20 Sleeping Bag left vs UltraLite Sleeping Bag left or right
- Product note: Trestles Elite Eco 20 Sleeping Bag HL-ElixR Eco Micro recycled synthetic insulation; dual-zipper with secondary vent zip; ISO comfort 32F, lower limit 21.6F; listed weight 1,077 g vs UltraLite Sleeping Bag 850+ FP ethically-sourced premium goose down; USA made; full-length #5 YKK zipper; 6'0" version weighs 1 lb 13 oz