3mm Mens NeoSport WATERMAN Long John The 3mm Mens NeoSport WATERMAN Long John Wetsuit is a durable wetsuit for rugged environments in warm water activities such as commercial fishing, boat cleaning, dock launching, and waterway clean-up. You can wear this 3mm long john alone, or you can pair it up with the matching Step-In Jacket sold separately. *When worn as a set, the wetsuit overlaps at the torso, so a 3mm set gives you 6mm of warmth. Features sealed seams to keep cold water from trickling in, rugged kneepads, and easy velcro shoulder entry. Manufactured by SCUBA wetsuit legends, Henderson USA, you can rest assured that this wetsuit will last. 1 year warranty.