Purpose-built fit for Coalcracker Oilcloth Bivy Bag ensures secure placement and optimal warmth
48-inch side zipper allows easy entry and exit for convenience
Snap closure at the top helps seal in warmth for better insulation
Elastic drawstring hood reduces heat loss on cold nights
Sewn foot box provides extra room for feet without compression
Summarized by Shop
Designed to solve one of the biggest problems with traditional bivy systems, the Coalcracker Wool Sleep Bag gives you the warmth and comfort of a wool blanket in a purpose-built design that stays in place all night.
Unlike a standard wool blanket that bunches up, twists, or slides around inside a bivy bag, this wool sleep bag is specifica