Western Mountaineering Antelope MF Sleeping Bag
Best lightweight cold weather gear for dedicated backcountry backpackers.
Engineered for serious cold-weather excursions, this mummy bag delivers exceptional warmth-to-weight efficiency. With a full draft collar and continuous baffle construction, it seals out the cold while keeping insulation perfectly distributed for a restful night in the backcountry.
$740.00
at
The BackCountry
More Antelope options
Who it's for
- Ultralight backpackers seeking maximum warmth without the heavy bulk
- Three-season campers facing damp conditions or high-altitude moisture
- Cold sleepers needing reliable protection in sub-freezing temperatures
Who should skip it
- Budget-conscious hikers looking for an entry-level sleeping solution
- Side sleepers or restless movers who prefer a spacious interior
- Casual campers wanting a low-maintenance, rugged synthetic bag
Performance breakdown
Thermal Efficiency
Goose-down insulation provides industry-leading warmth for freezing alpine conditions.
Weight-to-Warmth Ratio
Featherlight construction delivers serious cold protection without the heavy pack burden.
Draft Protection
The draft collar and tube system effectively seal out biting winds.
Insulation Stability
Continuous baffles keep down perfectly distributed, preventing cold spots while sleeping.
Packability
MicroLite XP fabric compresses easily, saving valuable space in your backpack.
Interior Comfort
The mummy cut maximizes thermal retention but feels slightly snug for some.
Key Specs
Temperature Rating
5° F
Weight
2.44 lbs
Insulation Type
Goose-down
Shell Material
MicroLite XP (polyester microfiber)
Sleeping Bag Shape
Mummy
Season Rating
3 Seasons
Zipper Location
Left
Has Draft Collar
Yes
Max User Height
78 inches
Shoulder Girth
62 inches
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