evo.com | O'Neill Full Chest Zip 4/3 > The last thing you want when the waves are firing is to cut your surf session short because you're cold. The O'Neill 4/3+ Hyperfreak Chest Zip Wetsuit offers supreme warmth and flexibility for frigid water, perfect for snagging epic winter waves that lesser mortals dare not ride. Made with TechnoButter 3 neoprene and fully sealed with TB3X seam tape, the Hyperfreak 4/3+ is light, stretchy and super comfortable. TB3X Fully Taped Seams The lightest, stretchiest neoprene seam tape ever. 0.5mm split neoprene is applied to triple glued seams with water based glue to keep you dry and loose. TechnoButter 3 [Body & Legs] O'Neills exclusive, maximum stretch, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate warmth and comfort, built to last. TechnoButter 3X [Arms & Shoulders] O'Neill's exclusive new pre-stretched neoprene with featherlight, ENVY foam rubber core. Light and soft with superior flexibility and fit. F.U.Z.E. Chest Zip Closure O'Neill's exclusive F.U.Z.E. (Front Upper Zip Entry) system offers a fresh alternative. Using the same free floating zipper technology as the patented Z.E.N. ZIP closure. The F.U.Z.E. closure keeps you dry and allows unrestricted flexibility. 48deg - 54deg | Women's O'Neill 4/3+ Hyperfreak Chest Zip Wetsuit 2027 - 10 in Black | Rubber/Neoprene