5280 - Tov Jacket, Zissou Sleeping Bag
November 15, 2012
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"Sierra Designs revolutionizes a timeless material"
"Sierra Designs invented a new treated down material called DriDown - debuted this summer in sleeping bags and jackets that repel water, maintain loft, and dry faster than regular down. Sierra Designs developed this new technology in its three-year old prototyping and testing lab."