The Prolimit oxygen TR steamer free zip wetsuit for women, is the best technical wetsuit in our women's collection. The 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 the tr, the neoprene of the suit is 6mm thick, which makes it one of the warmest wetsuits on the market. The neolight neoprene makes sure the suits keeps it's flex. The oxygen suit also has taped seams which blocks water from getting in and protects your seams. Compared to the oxygen TR steamer, this suit has a free zip (a zip that has to be attached at the front) for easy access.