The Hyperfreak F.U.Z.E. (Chest Zip) is constructed with super light TechnoButter 3 and TB3X neoprene. The minimal seam design, lightweight, quality construction, and attention to detail make this another team inspired favorite. F.U.Z.E. Closure Minimal Seam Design 360 degree Barrier with Drain Holes TB3X Fully Taped Seams Glued and Blind Stitched Seams Arms/ Shoulders: TechnoButter 3X Glued and Blind Stitched Seams PLUS (+) = 0.5mm Extra thickness for even more warmth Aqua Alpha Solvent Free Neoprene Lamination | O'Neill Youth Hyperfreak 5/4mm+ Chest Zip Full Wetsuit W/ Hood in Black, Size 10