Sea to Summit Reactor Fleece Sleeping Bag Liner Size:Standard Mummy a zip fly and belt

a zip fly and belt loops

Room for layering

Made with soft organically grown cotton and Merino wool

and classic colors

Underarm pit zips allow quick heat release during climbs and high-output efforts

Sea to Summit Reactor Fleece Sleeping Bag Liner Size:Standard Mummy a zip fly and beltThe Sea to Summit Reactor Fleece Sleeping Bag Liner is constructed using advanced hollow core Thermolite Pro fibers in a grid pattern design, making it the warmest liner option available for cold weather conditions. With added features such as shoulder zippers and a drawcord footbox, this liner gives you the ability to regulate your body temperature throughout the night. Its compatibility with the Free Flow Zip system of Sea to Summit sleeping bags