The O'Neill Reactor II 1.5mm Long Sleeve Jacket is engineered for performance in a value driven package. A perfect combination of stretch and durability. Fresh colors and graphics with style that's built to last. Save your body from the aches and pains of the wind and surf wearing the O'Neill Reactor II Jacket. This performance-oriented jacket is made from the perfect combination of O'Neill's exclusive UltraFlex and FluidFlex 2 materials to provide you with next-to-skin comfort and flexibility. The strategically placed seamless paddle zones ensure unrestricted paddling, while the board short connector offers security during fast-paced movement.