The HyperFreak F.U.Z.E. (Chest Zip) is constructed with super light TechnoButter 3 and TechnoButter 3X neoprene. We added 0.5mm thicker material as a set-up from the Hyperfreak Comp. 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