The OS2J Key West Jacket is Gill's most versatile breathable garment, ideal for offshore sailing in all conditions. It is made from a waterproof fabric with a high level of durability. Features a performance cut and articulated arms for comfort. Best For: This breathable jacket is perfect for offshore and serious coastal sailing.Fabric: Three-layer fabric made from a 100% nylon Oxford weave face fabric, a non-porous breathable membrane and a nylon tricot backing scrim. Offshore fleece lined high collar with duplex hood Double cuffs Fleece lined handwarmer pockets High visibility panels on shoulders and cuffs