Fusion Steamer Backzip 4/3 Q-Lining - GBSThe Prolimit Fusion steamer wetsuit for men is the best mid priced high end performance wetsuit on the market. The windchill optimized chest and back panels with zodiac fleece lining keep you warm in the areas that need to stay warm. The vertical back zip has a dry seal which blocks the water from coming in. This suit is 4mm thick and available in color teal black, size range 46 xs to 60 4xl and navy, size range 46 xs to 60 4xl.