This is the Aqua Lung Men's 1mm Hydroflex Scuba Diving Wetsuit Features: Easy on Skin: The inner material is ultra-soft, making it easier to put on and take off the suit. A V-shaped collar and flat-lock stitching provide extra comfort Powertex Kneepads: How can we provide durable abrasion resistance without sacrificing stretch? AquaLung?s Powertex kneepad material is tough, yet highly flexible Dive Computer-Friendly: The left sleeve is outfitted with a silicone traction pad to keep your dive computer from rotating once the neoprene compresses under water Loop Zipper: A zipper loop feature helps make getting in and out of the wetsuit alot easier on a rocking boat Liquid Rubber Seams: Seams are sealed with liquid rubber to keep warmth in and water out. It also protects them from unraveling Core Protection: Reinforced chest panel provides extra resistance from wind and abrasions Non-Petroleum-Based: With an eye toward better environmental health, this neoprene is made of non-petroleum-based material aking design inspiration from coral reefs, the men's 1mm HydroFlex wetsuit is designed for warm-water diving, and its thoughtful features such as flatlock stitching and V-shaped collar give it additional comfort. Printed designs and panels help the HydroFlex resist abrasion and create a fun, stylish look.