This is the Lavacore Women&';s Elite Long Sleeve Shirt for All Topside Watersports Features: Gray Polytherm fabric in body, outer arms and neck Neoprene cuff with gripper seals Merino side panel, underarm panel without membrane for breathability 12 Front zipper T2B Connecting System-Elastic loops to cinch with pants/shorts Great for use during topside watersports such as surfing, kayaking, stand-up-paddle, wakeboarding, waterskiing, and more! The Elite series is the perfect multi-sport thermal garment for protection against wind chill and surface splash. The nique blend of Polytherm, Merino and Neoprene in the Elite Series eliminates constriction and allows for extreme movement and flexibility while protecting your inner core.