The Prolimit mercury 4/3 Freezip features individual design with a lot of technical features. The Mercury is completely made out of neolight neoprene. The triple glued blind stitched construction in combination with FTM seams ensure a durable, watertight and flexible wetsuit. Freezip construction, an innovation which Prolimit introduced 23 years ago. The neo quickdry lining and Zodiac lining will keep you warm and comfortable.