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 Design360 Barrier with Drain HolesSeamless Paddle ZonesTB3X Fully Taped SeamsGlued and Blindstitched SeamsFull Body/ Legs: TechnoButter 3Arms/ Shoulders: TechnoButter 3XPLUS (+) = 0.5mm Extra thickness for even more warmthAqua Alpha Solvent Free Neoprene lamination