The Alpine Jacket is constructed from a dense 85 GSM recycled polyester ripstop with low air permeability that keeps down clusters trapped inside the jacket’s large baffles and prevents heat from escaping. Redeveloped front welt pockets are zippered for secure storage. The Alpine Jacket is designed as an expedition style down coat made for the coldest days of winter by fitting large and having a high cut throat area of the jacket. A down filled scoop at the rear of the jacket covers your rear end from the elements while standing or sitting. We “overstuffed” the Alpine Jacket with 700 fill power 90/10 feather to cluster ratio down and all zipper heads have reflective braided pulls.