Col MemBrain -20 Sleeping Bag

Marmot Col MemBrain -20 Sleeping Bag

Engineered for extreme cold, the Marmot Col MemBrain -20 Sleeping Bag is a steadfast companion for expeditions below -10°C. Constructed with Marmot’s proprietary MemBrain® waterproof-breathable fabric, this bag combines weather resistance with breathability, ensuring warmth without moisture buildup. Its high-loft down insulation offers exceptional heat retention while remaining lightweight and compressible. Perfect for high-altitude climbs, winter camping, or backcountry skiing, the ergonomic mummy shape enhances heat efficiency and mobility. Rugged and reliable, the Col MemBrain supports adventurers tackling the harshest conditions, promising comfort and durability when it matters most.

- Waterproof, breathable MemBrain® shell prevents moisture intrusion  
- Premium down fill delivers superior thermal insulation at subzero temps  
- Mummy-cut design maximizes warmth and reduces bulk  
- Durable construction withstands rugged outdoor environments  
- Lightweight and packable for multi-day expeditions