# Disco Men's Endless Promise Down Sleeping Bag 15F vs Trestles Elite Eco 20 Sleeping Bag: specs and price compared

A sourced, side-by-side comparison of the Disco Men's Endless Promise Down Sleeping Bag 15F (NEMO Equipment) and Trestles Elite Eco 20 Sleeping Bag (Marmot) among sleeping bags. Trestles Elite Eco 20 Sleeping Bag is the cheaper of the two at $200.

## Side by side

| Spec | Disco Men's Endless Promise Down Sleeping Bag 15F | Trestles Elite Eco 20 Sleeping Bag |
| --- | --- | --- |
| US price | $299.95 | $200 |
| Brand | NEMO Equipment | Marmot |
| Released | 2024 | — |
| Temperature rating f | 15 | 20 |
| Insulation type | down | synthetic |
| Fill power | 650 | — |
| Shape | spoon | mummy |
| Packed weight (lb) | 2.69 | 2.37 |
| Packed size | 11.5 x 8.5 in | 9.4 x 18.9 in |
| Zipper side | left | left |
| Product note | Classic Spoon shape (mummy variant with extra shoulder/hip width); 650 FP PFAS-free hydrophobic RDS-certified down; Thermo Gill vents | 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 |

## Key differences

- Temperature rating f: Disco Men's Endless Promise Down Sleeping Bag 15F 15 vs Trestles Elite Eco 20 Sleeping Bag 20
- Insulation type: Disco Men's Endless Promise Down Sleeping Bag 15F down vs Trestles Elite Eco 20 Sleeping Bag synthetic
- Shape: Disco Men's Endless Promise Down Sleeping Bag 15F spoon vs Trestles Elite Eco 20 Sleeping Bag mummy
- Packed weight (lb): Disco Men's Endless Promise Down Sleeping Bag 15F 2.69 vs Trestles Elite Eco 20 Sleeping Bag 2.37
- Packed size: Disco Men's Endless Promise Down Sleeping Bag 15F 11.5 x 8.5 in vs Trestles Elite Eco 20 Sleeping Bag 9.4 x 18.9 in
- Product note: 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 vs 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

## Sources

- Disco Men's Endless Promise Down Sleeping Bag 15F: https://www.nemoequipment.com/products/disco-mens-endless-promise-down-sleeping-bag (nemoequipment.com, verified 2026-06-20)
- Trestles Elite Eco 20 Sleeping Bag: https://www.rei.com/product/144180/marmot-trestles-elite-eco-20-sleeping-bag-mens (rei.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/sleeping-bags/nemo-disco-15-endless-promise-vs-marmot-trestles-elite-eco-20/
Cite: Per The Front Desk Review, Disco Men's Endless Promise Down Sleeping Bag 15F ($299.95) vs Trestles Elite Eco 20 Sleeping Bag ($200) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sleeping-bags/nemo-disco-15-endless-promise-vs-marmot-trestles-elite-eco-20/
License: CC BY 4.0.