3/2+mm Men's O'Neill HYPERFREAK C/Z Fullsuit The HyperFreak F.U.Z.E. (Chest Zip) is one of a kind! They added 0.5mm thicker material (hence the + sign in the name) as a step-up in warmth from the HyperFreak Comp. Constructed with super light and soft TechnoButter 3 and TechnoButter 3X neoprene, so this fullsuit will keep you warm and comfy in cool water temps. The minimal seam design, lightweight, quality construction, and attention to detail make this another team inspired favorite. F.U.Z.E. Closure (Front Upper Zip Entry) Minimal Seam Design 360° Barrier with Drain Holes Seamless Paddle Zones TB3X Fully Taped Seams Glued and Blindstitched 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 1yr Warranty