The Prolimit Vapor zipperless steamer wetsuit for men is our best technical wetsuit on the market. This suit has thermal rebound technology, this is an extra layer in between the neoprene and zodiac that reflects body heat and blocks wind chill. Besides tr, the neoprene of the suit is 6mm thick, which makes it one of the warmest wetsuits in our line-up. The Vapor has glued and blind stitched s your seams, while keeping it's flex.