Conquer chilly nights in the backcountry with the Marmot Trestles 30, an extra-long cold-weather sleeping bag that wraps you in reliable warmth. Engineered with eco-conscious materials, its synthetic insulation maintains heat retention even when damp, making it a trustworthy companion for unpredictable conditions. The mummy-style design contours to your body while offering ample foot space, striking the perfect balance between coziness and freedom of movement.
Key Features
- SpiraFil® Hybrid Insulation: Combines spiral hollow fibers for loft with fine polyester strands for compressible warmth
- Dual-Zipper System: Full-length left-side zipper with anti-snag tech and a secondary right zipper for precise ventilation control
- All-Weather Resilience: 100% recycled shell and filling resist moisture while meeting ISO-rated -1°C (30°F) limits
- Thoughtful Extras: Internal storage pocket for essentials and included compression sack for compact packing
Specifications
| Parameter | Value |
|---|---|
| Shape | Mummy (extra-long) |
| Temperature Rating | -1°C / 30°F (ISO tested) |
| Insulation Type | Synthetic (SpiraFil® blend) |
| Material | 100% recycled fabrics and fill |
| Special Features | Insulated draft tube, roomy footbox, security pocket |
Ideal For
- Winter Camping Adventures: Reliable thermal performance when temperatures dip near freezing
- Eco-Conscious Explorers: Sustainable materials reduce environmental impact without sacrificing warmth
- Backpackers Needing Compact Gear: Lightweight design and compression sack save precious pack space






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