O'Neill Women's Hyperfreak 4/3+mm Chest Zip Fullsuit Wetsuit 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 Oƒ Neil'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. F.U.Z.E. Closure Minimal Seam Design 360?ø Barrier with Drain Holes TB3X Fully taped Seams Full Body/Legs: TechnoButter 3 Arms/Shoulders: TechnoButter 3X PLUS (+) = 0.5mm Extra thickness for even more warmth Aqua Alpha Solvent Free Neoprene Lamination