Lemorecn Womens 2mm Neoprene Long Sleeve Jacket Front Zipper Wetsuit Top Size: take a look at our Size Chart picture to select the best fitting jacket. Made of 2mm thick highly stretch neoprene; Comfortable Flatstitch Construction gives you a soft and comfortable fit Excellent stretch and recovery fabrics, form-fitting design reduces drag in water provides you a free movement without restriction Premium lightweight neoprene with more air cells prevents water from coming in and out; increase warmth and decrease weight Specifically designed for water fitness and aqua aerobics, great for any watersports provides UV protection and defense against sea lice, jellies and other biological irritants