The Deep Blue Sportflex Vest with Front zip is made from 3mm CR Super Elastic Neoprene. The top is flexible and soft for comfort and performance. The full front zip makes it easy to put on and take off. Ideal for all water sport activities. Product Description: YKK Front Zip Neoprene Zip Back Wing for comfort 3mm CR Super elastic neoprene Double lined fabric Flatlock stitched seams Unisex fit Size: S, M, L, XL, XXL