Our exceptionally stretchy, breathable 100% recycled polyester Nano-Air(R) fabric is a longtime favorite of mountaineers for its ability to simultaneously maintain warmth and dump excess heat and moisture. This daily shirt jacket is designed to keep you warm, dry and traveling light in cool climates. Fit & Design: Full-length, front-snap placket allows you to regulate temperature; with a lie-flat collar One hidden, vertically zippered chest pocket and two zippered handwarmer pockets keep your valuables accessible and secure Elasticized cuffs lock out the cold and are comfortable against the skin Technology: Insulation: 60-g FullRange(R) 100% recycled polyester Durable water repellent (DWR) finish made without intentionally added PFAS to shed moisture Additional Details: Machine wash cold Do not bleach Tumble dry low Do not iron Weight: 360 g (12.7 oz)