The O’Neill HyperFreak Back Zip Spring suit Feels like Freedom. The combination of featherlight TB3 and TB3X materials provide a wetsuit that has set the benchmark in performance wetsuits. This exclusive technology allows you to perform at the highest level with construction so light and comfortable it feels like you were surfing naked. Minimal seam design allows for increased stretch and comfort. The Hyperfreak now joins our O’Neill Blue program being constructed using sustainable materials. Including recycled yarns. Water based solvent free lamination and neoprene made of a combination of recycled tyres & recycled oyster shells.