Cocoon Vapor Barrier Liner
Best lightweight heat retention solution for extreme cold weather backpackers.
This liner is a specialized tool for extreme cold, designed to stop moisture from soaking your sleeping bag's insulation. It adds a significant warmth boost while remaining incredibly light and packable, making it an essential layer for winter expeditions.
$74.95
at
Campmor
Who it's for
- Winter campers seeking maximum warmth in sub-zero conditions
- Long-distance backpackers wanting to keep their sleeping bags dry
- Ounce-counting hikers prioritizing a light pack without sacrificing safety
Who should skip it
- Sleepers who dislike the feeling of perspiration trapped against skin
- Casual campers looking for a versatile, multi-season sleeping bag liner
- Low-maintenance travelers who prefer gear that stays fresh longer
Performance breakdown
Thermal Efficiency
Adds a significant nine-degree boost to your existing sleep system.
Moisture Management
Waterproof TPU lamination effectively traps body heat and prevents insulation dampness.
Packability
Compresses down to a minimal footprint for efficient winter gear hauling.
Material Durability
Ripstop nylon construction balances lightweight feel with necessary trail-ready toughness.
Fit and Coverage
Integrated hood and secure drawstring ensure a reliable, draft-free seal.
Ease of Integration
Simple design slides easily into most standard mummy-style sleeping bags.
Key Specs
Material
15D ripstop nylon with TPU lamination
Warmth Added
9 degrees Fahrenheit
Packed Length
5.1 inches
Integrated Hood
Yes
Water Resistance
Waterproof
Closure Type
Drawstring
Intended Use
Cold weather sleeping and vapor barrier protection
Know before you buy
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