Marmot Col MemBrain
Best high altitude sleeping bag for extreme cold weather expeditions.
Engineered for extreme cold, this high-altitude sleeping bag combines premium down insulation with a waterproof, breathable shell. It effectively balances thermal retention with moisture management, ensuring a dry and warm night in harsh winter environments.
$718.00
Out of stock
More Col options
Who it's for
- High-altitude mountaineers facing extreme sub-zero temperatures
- Winter campers dealing with heavy tent condensation or damp environments
- Cold sleepers who need maximum heat retention throughout the night
Who should skip it
- Ultralight backpackers prioritizing minimal pack space and low weight
- Budget-conscious hikers who only occasionally camp in cold weather
- Three-season campers looking for a single, multi-purpose sleeping bag
Performance breakdown
Thermal efficiency
800-fill goose down provides elite warmth-to-weight ratio for sub-zero nights.
Moisture protection
MemBrain shell fabric effectively shields insulation from condensation and damp conditions.
Draft management
Integrated draft tube and collar seal heat in with surgical precision.
Weight-to-warmth ratio
Substantial protection without the bulk typically found in expedition-grade gear.
Durability
Rugged construction withstands the harsh realities of high-altitude mountaineering.
Ergonomic comfort
Mummy shape balances necessary thermal efficiency with enough room to move.
Key Specs
Temperature Rating
-20 degrees Fahrenheit
Insulation Type
800+ fill goose down
Shell Material
MemBrain waterproof, breathable fabric
Water Resistant
Yes
Has Draft Collar
Yes
Has Stash Pocket
Yes
Sleeping Bag Shape
Mummy
Know before you buy
Still have a question?
Ask Metto anything about the Marmot Col MemBrain before you decide.