Sea to Summit Spark Ultralight 5 Degree Down Sleeping Bag
Sea to Summit Spark Ultralight 5 Degree Down Sleeping Bag, The Spark(TM) Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use.
Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate girth for the performance-oriented backcountry user.
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