The extra length of our large -20 degree mummy sleeping bag lets you keep your boots and other important items warm during the night.
This down is specially treated with an advanced nano technology that absorbs one-third the moisture and dries two-thirds faster than untreated down, making this sleeping bag a great choice for backcountry trips in damp climates.
Revolutionary DownTek treated down stays dry
long and dries out faster, making a great insulator
even better. Watch the Video
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