Youth O'Neill Hyperfreak 4/3+ Chest Zip Fullsuit - Gun Metal/Black/Ultra BlueO'Neill Youth Hyperfreak 4 3+ Chest Zip Fullsuit Wetsuit 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 Minimal Seam Design 360 Degree Barrier with Drain Holes TB3X Fully Taped