A year-round must-have this fully seam-sealed 8K/5K waterproof breathable 2.5-layer jacket has a DWR finish. It packs easily and gives great weather-fighting performance. Made of 100% polyester shell bonded to a waterproof laminate film with DWR finish. Features a 8000MM fabric waterproof rating and 5000G/M2 fabric breathability rating.