The O&';Neill Youth Springsuit Reactor-2 S/S BZ 2mm is of good quality. The 2mm thickness will allow you to practice your nautical sport in cold water (around 20AdegC / 68AdegF). Below this temperature, you have to start thinking about a different combination according to your tolerance threshold. Ultra Flex Neoprene Wind-Proof Smoothskin (front to bust) Back closure Seams flat lock 2mm thickness