Sea to Summit Reactor Fleece Sleeping Bag Liner insulated sleeping mat our patent-pending AirControl™ technology delivers

our patent-pending AirControl™ technology delivers uncompromised performance across all fuel types

Undercuff construction

Build Your Own System: The I/O dual-thread design allows the filter cartridge to natively attach to the QuickDraw Reservoir

All-new Headwall™ internal draft guard provides 360-degree insulated

Style: SW011493

Sea to Summit Reactor Fleece Sleeping Bag Liner insulated sleeping mat our patent-pending AirControl™ technology deliversBuilt with Thermolite fabric and grid fleece for maximum warmth retention DESCRIPTION The Reactor Fleece Liner built from hollow core Thermolite Pro fibres used in a grid pattern to deliver our warmest sleeping bag liner and the core of any quality cold weather sleep system. You can regulate your temperature using the shoulder zippers and drawcord footbox, which also align perfectly with the Free Flow Zip system of Sea to Summit sleeping bags. The