The Hyperfreak F.U.Z.E. (Chest Zip) is constructed with super light TechnoButter 3 and TB3X neoprene. We added 0.5mm thicker material as a step-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 360 degree Barrier with Drain Holes Minimal Seam Design Recycled Oyster Shells and Eco Carbon Black Infused Neoprene Aqua Alpha Solvent Free Neoprene Lamination Recycled TBX Fully Taped Glued and Blindstitched Seams Full Body/ Legs: Recycled TechnoButter 3 Arms/ Shoulders: Recycled TechnoButter 3X | O'Neill Men's Hyperfreak 2mm Chest Zip Long Sleeves Spring Wetsuit in Black, Size Small