This 2.5mm Kids Shortie is a great divesuit, surf suit, or all around water sport wetsuit with maximum flexibility. Afford to dive. 2.5mm nylon II neoprene Neoprene is extremely flexible with durable flat-lock construction YKK molded #10 zipper for superior corrosion resistance in the back of the suit Reinforced zipper panel Full-length cold water zipper flap minimizes water entry Easy zip design allows for quick self-dressing Hook and loop zipper lock Size XS 3/4 SM 5/6 MD 7/8 ML 9/10 LG 11/12 XL 13/14