NEVER BEEN A VEST LIKE THIS BEFORE, THE PATAGONIA REVERSIBLE BIVY DOWN VEST.With 600-fill-power and DWR finish, it's no wonder that the Patagonia Reversible Bivy Vest is one of the best on the market. Warm enough for those cold mornings on the lake, this vest was made to be taken out. FEATURESFace side is 100% nylon (51% recycled) plain weave with a DWR (durable water repellent) finish; reverse side is 100% recycled polyester taffeta with a DWR finish. Insulated with 600-fill-power 100% Recycled Down (duck and goose down reclaimed from down products)Full-zip vest with zip-through stand-up collarFace side has a reinforced yoke that offers an extra barrier for weather protection and two insulated, microfleece-line side-entry handwarmer pockets with snap-button closuresReverse side has a cleaner, technical look and feel with insulated, microfleece-lined side-entry handwarmer pockets with zipper closuresDrop-tail hemHip length729 g (25.7 oz)