Plain and simple, this layer is designed to protect you in wind and cold. The Alpha Grizzly is a light and versatile jacket for high-intensity activities in challenging and changing weather conditions. This is the holy grail of mountain hunting jackets on active hunts that involve wind at high altitudes. The Pamir Insulation uses premium Chimashield® APEX™ synthetic insulation paired with rugged CORDURA® Rip-Stop Fabrics on the outer shell and lining. The Alps Down products are warm, durable, and ultra-light. They utilize CANIS BTL (Built To Last) Construction eliminating exposed stitching lines that create weak points and cold zones where heat constantly escapes the body.