Mountain Hardwear Phantom
Best lightweight sleeping bag for serious alpine mountaineers and winter backpackers.
This technical mummy bag excels in cold, alpine environments by balancing high-loft insulation with a remarkably small packed size. It offers a reliable, lightweight solution for long-distance trekkers who need to stay warm without sacrificing precious pack space.
$530.00
at
Outdoor Outlet
More Phantom options
Who it's for
- Ultralight backpackers prioritizing pack weight and thermal efficiency
- Serious mountaineers needing reliable, high-performance gear construction
- Thru-hikers maximizing limited space in compact packs
Who should skip it
- Budget-conscious campers seeking value over top-tier performance
- Rough-and-tumble adventurers needing rugged, tear-resistant equipment
- Hikers exploring wet, humid, or unpredictable climates
Performance breakdown
Warmth-to-Weight Ratio
High-loft 800-fill down delivers serious insulation without the heavy bulk.
Packability
Compresses down to a compact 5.7 liters for efficient pack storage.
Weather Resistance
Water-resistant shell fabric handles damp conditions and condensation with ease.
Thermal Efficiency
Draft collar and face gasket seal in heat during freezing nights.
Ergonomic Comfort
Contoured footbox allows for natural movement despite the restrictive mummy shape.
Zipper Reliability
Anti-snag design ensures quick, frustration-free entry and exit in the dark.
Key Specs
Temperature Rating
15 F / -9 C
Shape
Mummy
Insulation Type
Down
Fill Power
800 cubic inches per ounce
Weight
2.0375 lbs
Shell Material
Nylon
Lining Material
Nylon
Water Resistant
Yes
Compressed Volume
5.7 liters
Max User Height
72 inches
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