The HyperDown collection was engineered with low temperatures and high altitudes in mind. The cutting-edge insulation is constructed to combat the frigid temperatures and blistering winds of late-season hunts. Blending the warmth-to-weight superiority of down and the compression-resistant performance of synthetic insulation creates the ultimate lightweight defense against wintry conditions. The top-tier warmth is wrapped in a durable ripstop face fabric for further protection on hunts that call harsh environments home. 800 fill power Primaloft Gold down blend with Cross Core Technology 90% down, 10% synthetic 27D Ripstop Polyester face and 10D Ripstop Nylon lining resists snags and tears Zippered hand pockets Two interior mesh dump pockets to warm socks, liner gloves, or other accessories. Adjustable brimmed hood and hem, Elastic cuffs