The HyperFreak Zipless entry wetsuit is constructed with our exclusive super light Recycled TechnoButter 3 and TB3X neoprene containing recycled fibers in the liner fabrics. This advanced technology allows you to perform at the highest level with construction so comfortable and light you'd swear you were surfing naked. The HyperFreak Comp is the most unique, lightweight, fully sealed suit on the market. Zipless Entry 360 degree Anti-Flush Barrier with Drainholes (ZIPLESS) Minimal Seam Design Recycled Oyster Shells and Eco Carbon Black Infused Neoprene Recycled Dope-Dyed Yarn Liners Aqua Alpha Solvent Free Neoprene Lamination Key Pocket with Loop Recycled TBX Fully Taped Glued and Blindstitched Seams Chest, Lower Body: Recycled TechnoButter 3 Back, Arms, Shoulders: Recycled TechnoButter 3X | O'Neill Men's Hyperfreak Comp 4/3mm Zipless Full Wetsuit in Ranger/Blk, Size Medium