This 3mm NeoSport Shortie is great for a variety of water activities! Features of this wonderful shortie include: 3mm neoprene construction throughout Anatomical fit that 's easy to swim in Flatlock seam construction which is both highly durable and helps prevent chafing against the skin Heavy duty back zip Adjustable Velcro collar to give divers a secure and comfortable seal at the neck Pull leash to make putting on and taking off easier For Sizing Chart: visit www.neosportusa.com NeoSport's unparalleled combination of product features and benefits coupled with a focus on efficient manufacturing techniques and material selection has propelled Neo Sport products to be viewed as an exceptional consumer value.