The Sea to Summit Expander Travel Liner is a stretch cotton liner for a little extra inside your sleeping bag. A little extra what? Glad you asked! A little extra warmth, a little extra poly-cotton softness against the skin and a whole lot of extra stretch. Yep, it's stretchy, with the ability to expand twice its width, so you'll have plenty of space as you roll around in your sleep. There is even an anti-microbial treatment, which won't wash out, that prevents stinky odors. Whether you're out in the wilderness or traveling to the next hostel this will be a very good friend through the night.
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