A bivouac sack for the twenty-first century, the Marmot Alpinist Bivy is 100% seam taped for waterproofness and durability, weighs in at under a pound, and compresses like magic into any pack. High-tech Marmot MemBrain fabric breathes easily while blocking wind and water: The Alpinist Bivy offers awesome minimalist protection for climbers and backcountry adventurers who must travel light.
Purchase USD$45 or more and get free shipping. The Marmot Alpinist Bivy is available through Altrec.com.
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