Sea to Summit Ascent Sleeping Bag
Best versatile sleep system for side sleepers in changing climates.
Designed for versatility, this bag adapts to changing conditions with a unique zip system that allows for full ventilation or conversion into a quilt. The tailored fit provides extra room where needed, ensuring comfort for side sleepers without sacrificing warmth.
$429.00
at
Sea to Summit
More Ascent options
Who it's for
- Campers who encounter unpredictable weather and varying overnight temperatures.
- Side sleepers who find traditional mummy bags too restrictive.
- Backpackers prioritizing a lightweight pack without compromising on cold-weather performance.
Who should skip it
- Budget-conscious hikers looking for a basic, affordable sleeping solution.
- Ultralight purists who count every gram for long-distance thru-hiking.
- Minimalists who prefer simple, foolproof gear with fewer moving parts.
Performance breakdown
Thermal Efficiency
The 750+ fill power down traps heat effectively for cold nights.
Versatility
The Free-Flow zip system adapts perfectly to fluctuating backcountry temperatures.
Packability
Compresses down to a manageable size for efficient backpack organization.
Ergonomic Fit
Thoughtful shaping provides ample room for natural movement while sleeping.
Moisture Resistance
Ultra-Dry down treatment offers reliable protection against damp wilderness conditions.
Weight-to-Warmth Ratio
Strikes an impressive balance for long-distance trekking and comfort.
Key Specs
Weight
2.37 lbs
Compressed Volume
7.7 L
Temperature Rating
18 °F
Insulation
750+ Ultra-Dry Goose Down
Fill Power
750+
Water Resistant
Yes
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