O\'Neill\'s Hyperfreak range features special TechnoButter 3 & TB3X neoprene, which is now lighter and softer than ever before - 20 % lighter with 30 % less water absorption. An ergonomic, seamless sleeve bottom allows unrestricted movement and prevents rash. Abrasion-resistant, highly elastic neoprene Krypto knee pads with ergonomic design provide comfortable durability. FeaturesTechnobutter 3X material: light, flexible and soft Minimalist seam design Seamless shoulderSolvent free neopreneLimestone based neopreneTaped seamsLightweight ENVY foam rubber coreFully adjustable and waterproof neck with 360° liningSeamless paddle zonesExternal key pocket with loop