7mm Mens NeoSport 2pc John & Jacket SCUBA Wetsuit Combo This 7mm Mens NeoSport 2pc John & Jacket SCUBA Wetsuit Combo provides the ultimate in warmth by doubling up at the torso. A 7mm set actually provides 14mm of warmth over the core of your body. Other features include sealed seams that keep the cold water from trickling in and durable kneepads. Front-Zip jacket removes easily for a "breather" between dives. John and jacket can also be worn separately when conditions permit. Manufactured with a 1 year warranty by SCUBA wetsuit legends, Henderson USA, you can rest assured that this wetsuit will last for years to come.