The HyperFreak Zipless entry wetsuit is constructed with our exclusive super light Recycled TechnoButter 3 and TB3X neoprene containing 90% or more 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 over a 360° Barrier with Drain Holes and Cinch Cord creates a water tight seal with ease of entry and exit. O'Neill's exclusive Technobutter 3, maximum strength, hydrophobic neoprene with featherlight ENVY foam rubber core. Ultimate warmth and comfort. Built to last. O'Neill's exclusive Technobutter 3x pre-stretched neoprene with featherlight ENVY foam rubber core. Technobutter 3x Fully Taped Seams, the lightest, stretchiest neoprene seam tape ever. 0.5MM split-neoprene applied to triple glued seams with water-based glue to keep you dry and loose. 360° Barrier with Drain Holes Double Seal Collar Chest/Lower Body: Technobutter 3 Back/Arms/Shoulders: Technobutter 3X External Key Pocket with Loop | O'Neill Men's Hyperfreak 4/3mm Comp Zipless Full Wetsuit in Black, Size 2XL, Rubber