Newly designed, the O'Neill(R) Youth Reactor II Wetsuit combines stretch and durability for a high-performance fit. The Smoothskin technology delivers wind resistance, while the neoprene thickness locks in heat for early morning comfort. FEATURES: Youth fit Newly designed for high-performance Made for wear as a base layer, or layered with other pieces or accessories For wear in 55- 64deg waters Thickness: 3mm neoprene body, 2mm arms and legs Back zip closure Boasts stretch and durability for an optimal fit Smoothskin technology delivers wind resistant performance Krypto knee pads for strategic durability and mobility Ultraflex and fluid foam technology promote freedom to move Flatloc stitched seams for breathability and comfort Seamless pad zones