The Big Agnes Thunderhead SL 30 Degree Sleeping Bag is a zipperless sleeping bag for quiet backcountry nights. Not only does it cut down on the sound during nighttime calls of nature, but it drops weight for those looking to trim the grams. Packed chock full with 650 fill DownTek™ water repellent down, it'll resist water so you stay warm, even if it gets a little wet. The half pad sleeve keeps your top half on the sleeping pad while your legs can wiggle to and fro as you please. Warm down to 30°F nights and weighs in at 1lb 12oz (regular). Now if only you can get the squirrels to stop making all that racket.
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