Our best selling wetsuit is back. The O'Neill Mens Hyperfreak 4/3 wetsuit is your premium wetsuit choice for summer and autumn.  If you are looking for an extremely stretchy wetsuit, the Hyperfreak 4/3 has you covered. Featuring Technobutter 3 neoprene this wetsuit is comfortable and unrestrictive.  Perfect for all watersports from surfing to swimming. Features 4/3mm Super minimal seam design Contortionist seamless shoulder Extra warm with an extra 0,5mm thickness Aqua Alpha Solvent Free Neoprene Lamination Limestone Based Neoprene Washing instruction: Rinse with cool water and drip dry out of direct sunlight Technobutter 3 & TB3X neoprene O'Neill's exclusive new improved stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate, flexibility, warmth and comfort. Combined with Technobutter 3X, the lightest, most flexible, softest material ever created. Glued, Blindstitched & taped Seams Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose. F.U.Z.E. Entry system O’Neill’s exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility. Double superseal neck A toasty warm two layer design featuring a 360˚ smooth skin interior lining, wide adjustablility, and a secure lock down. Fully adjustable and watertight. Strategic seamless paddle zones An ergonomic, seamless under sleeve panel that allows for unrestricted motion and eliminates rashing. Flexible and unique design which utilizes minimal seam placement for comfort. Krypto knee padz Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Flexible and unique design utilizes and extended knee pad for added durability. External key pocket with loop Abrasion resistant, high stretch neoprene panel with ergonomic shaping for comfortable durability. Located along the lower leg inseam. Constructed with Fluid Seam Weld and UltraFlex DS neoprene, this key pocket has added strength, easy access and completely secure.