Outside Buyers Guide-Cal 30
May 1, 2013
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"THE VERDICT: The Cal is the lightest and warmest bag here-and packs down smaller than some puffy jackets."
"WIth most sleeping bags, ultra-light means ultratight. Yet even though Sierra Designs kept features to a minimum-a half-length, one -way zip and a tissue-thin nylon shell and liner-whittling this water-resistant, 800-fill down bag to under two pounds, the standard size still fit a 200-pound six-footer with room to wiggle."
Sierra Designs DriDown™