The O'Neill Men's Reactor II 3/2mm Back Zip Full Wetsuit will protect you from the cold water, the wind and sun in comfort to let you last longer. Created from 30% FluidFlex/70% Fluid Foam with mesh smoothskin fluid foam at the chest & back and FluidFlex at the sleeves. Featuring flatloc stitched breathable seams, hidden key pocket, single super seal collar and Krypto Knee Padz that give you an ergonomic knee protection. Make sure you have the Men's Reactor II 3/2mm Back Zip Full Wetsuit by O'Neill the next time you go out spear fishing, free diving or scuba diving.