Thermolite Reactor Fleece Liner
Best thermal upgrade for campers needing extra warmth in cold conditions.
This is the ultimate insurance policy for cold-weather camping, adding significant warmth to your existing sleep system without the bulk of a heavy bag. While it’s essentially a high-tech fleece cocoon, its true genius lies in its versatility—it works just as well as a standalone bag on balmy summer nights.
$85.00
at
US Patriot Tactical
Who it's for
- Cold-weather campers extending their sleeping bag's seasonal range
- Backcountry sleepers prioritizing plush comfort and warmth
- Gear owners wanting to protect expensive sleeping bag investments
Who should skip it
- Ultralight backpackers with limited pack space and weight capacity
- Hikers in humid climates needing quick-drying gear
- Budget-conscious campers seeking basic, affordable sleep solutions
Performance breakdown
Thermal efficiency
Adds significant warmth, effectively boosting your sleep system's temperature rating.
Fabric comfort
Luxuriously soft fleece feels cozy against the skin during chilly nights.
Packability
More compact than standard fleece, though bulkier than silk or cotton.
Ease of entry
Quarter-zip design makes getting in and out remarkably simple.
Maintenance
Machine washable fabric simplifies cleaning after long backcountry trips.
Versatility
Functions perfectly as a liner or a standalone bag in warmer weather.
Key Specs
AR 670-1 Compliant
AFI 36-2903 Compliant
USM Approved
US Navy
Vibram Outsole
Flight Deck Approved
Lightweight
Waterproof
Steel Toe
Cold Weather
Still have a question?
Ask Metto anything about the Thermolite Reactor Fleece Liner before you decide.