O'Neill Reactor 3/2 MM Full Wetsuit 2010: Get a full dose of performance technology at an incredible value. The Reactor Series utilizes O'Neill's exclusive FluidFlex in the shoulder and sleeves, a fully adjustable super seal neck, and Kyrpto Knee Padz. The FluidFlex allows a full range of motion so you stay unrestricted. The Krypto Knee Padz is an abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. The fully adjustable super seal neck locks out water better than the deadbolt you have on your door. The O'Neill Reactor 3/2 MM Full Wetsuit is a solid suit with performance you can rely on.