This is the XS Scuba 3/2mm Men&';s Shorty Scuba Diving Spring Suit Shortie Features: 3 mm large panels for warmth 2 mm key panels for stretch and comfort "Skin" seals on the neck, arms and thighs to minimize water transfer Water dam behind the zipper "Skin-out" chest panel reduces chill in the wind Heavy-duty #10 corrosion-free zipper reinforced at the bottom with nylon web and rubber anchor pad Flatlock seam construction for comfort and durability Adjustable neck for better fit Ideal for tropical skin and scuba diving The 3/2 Shorty Suit, the ideal suit for tropical skin and scuba diving, represents a tremendous value. Take inventory of its many features and compare them to the price, and you will see what makes this suit so popular at tropical destinations around the globe.3 mm large panels for warmth, 2 mm key panels for stretch and comfort."