Waterproof"s award-winning innovative design, revolutionary features and high-quality now in a Sport Series. The Sport Series consists of the W30 fullsuit, W30 Shorty, and R30 rashguards. 2.5mm CR neoprene backzip shorty with Aquatex 3-D anatomical sculpting Flatlock stitching Embossed shoulder and seat areas Neck Tab with microteeth Extra long YKK back zipper Color: Black Available in Standard Sizes: 3XS-3XL