This is the Scubapro NovaScotia Scuba Diving Steamer 7.5 mm w/Hood Men's - Black Features: CE certified a Class A dive suit - - rated for water termperatures ranging from 45°F (7°C ) to 54°F (12°C). Blind-stitched seams block water entry. Rear shoulder-to-shoulder YKK Aquaseal Vislon waterproof main zipper with heavy-duty plastic slider is flexible yet provides an excellent seal against water entry. Plush interior liner in the arms, legs and shoulder areas increases warmth and stretch. Double zippered seals on ankles and wrists feature KA brass sliders for durability, water-tightness and ease of use. Fold-under neck seal is ultra-comfortable and keeps water seepage to a minimum. Right thigh 3D pocket offers lots of room for carrying extra gear. The hood hook has been moved to the outside of the pocket for added convenience. Shoulders and kneepads feature both anti-abrasion patterns and extra rubber prints to provide protection while adding a stylish look. Enhanced spine pad provides a welcomed cushion where the tank hits the diver's back. I-Safe straps on both arms offer non slip mounting spots for securing wrist instruments. Offering a snug-fitting, flexible dive suit with good thermal properties and minimal water intrusion, the NovaScotia semi-dry is the perfect solution for staying very warm and relatively dry while virtually eliminating hydrodrag, radically improving a diver's ability to move easily through the water. With its 7.6/6.5mm thickness, easy-zip waterproof YKK Aquaseal Vislon zipper, improved plush lining to increase warmth and stretch, and a long list of convenience features, the NovaScotia is the diver's answer to a comfortable, affordable semi-dry suit. Positioned between a traditional wetsuit and a neoprene drysuit, the NovaScotia delivers the best of both worlds in cold water, temperate water, and multi-dive protection. "