Sea to Summit Reactor Thermolite Liner L2220W Weather: Wet – waterproof

Weather: Wet – waterproof

-Stretch-fit topline binding snugs leg to keep warmth in and cold out

cradles your arches and allows you to move naturally

polyester webbing

Sea to Summit Reactor Thermolite Liner L2220W Weather: Wet – waterproofThe THERMOLITE Reactor liner is our top seller in the sleeping bag liner range. It's an excellent cold weather option for those who need additional warmth. The hollow core fibers trap heat and offer extraordinary insulating properties. This is a super stretchy, soft, and comfortable choice with a mummy shape, foot box and a drawcord hood. Compact and lighter weight than fleece, this is a best seller for good reason. Adds up to 14F 8C of warmth to a