The HyperFreak Tops feature our exclusive Technobutter 3 material, lighter and more buttery than ever, 20% lighter with 30% less water absorption. The HyperFreak Series defines functional warm water gear.PulloverCore InsulationSeamless Paddle ZonesReversibleElastic Cinch SystemRash Protection50 U.P.F.Ultraviolet ProtectionFlatlock Stitched Breathable SeamsChest/ Back: TechnoButter 3Arms/ Shoulders: TechnoButter 3XAqua Alpha Solvent Free Neoprene lamination