Mammut Kompakt MTI Winter
Best durable synthetic sleeping bag for cold weather camping enthusiasts.
This synthetic winter bag balances warmth and packability for cold-weather adventures. It offers a reliable, low-maintenance alternative to down, ensuring you stay insulated even in damp conditions without the fuss of delicate care.
$149.25
Who it's for
- Winter campers needing dependable warmth in unpredictable wet weather
- Backpackers prioritizing a small pack size without sacrificing winter protection
- Frequent explorers seeking a long-lasting and rugged synthetic sleeping bag
Who should skip it
- Ultralight hikers sensitive to every ounce in their pack
- Restless sleepers who prefer extra room to move at night
- Warm sleepers camping in mild or fluctuating shoulder-season climates
Performance breakdown
Thermal Efficiency
Reliable synthetic insulation maintains warmth even when conditions turn damp.
Packability
Compresses impressively well for a winter-rated synthetic bag.
Weight-to-Warmth Ratio
Solid performance, though heavier than premium down alternatives.
Footbox Comfort
Specialized shaping provides targeted heat retention where feet need it most.
Material Durability
Robust polyamide shell stands up to rugged alpine environments.
Cold-Weather Versatility
Ideal for basecamping or trekking in challenging, sub-zero conditions.
Key Specs
Weight
2.02 kg
Weight
4.45 lbs
Insulation Type
Synthetic fiber
Shell Material
100% Polyamide
Lining Material
100% Polyamide
Comfort Temperature
-6 °C
Comfort Temperature
21.2 °F
Compressed Volume
8.3 liters
Max User Height
76.77 inches
Know before you buy
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