Aqua Lung 5mm Superzip BootsKeep your feet warm and secure. A 5mm neoprene on the Superzip Boots protect your feet with a tight seal that reduces water transfer to keep them warmer for longer. Meanwhile, the cuff binding is made from elastic to provide a more comfortable fit. Superzip Boots are strengthened with extra padding in the sole, toe cap, and heel cap to keep them going strong dive after dive. Features: Ergonomic: Like the rest of the Aqua Lung boot line, the Superzip