SEAC neoprene diving hood - Tekno - BlackCrafted with 5 mm of heat insulating neoprene, efficient air release, and a snug fit, the SEAC Tekno dive hood is designed to keep your head warm, comfortable, and steady throughout your dive. The SEAC Tekno is made from 5 mm Ultraflex neoprene, which offers high resistance to heat loss while providing remarkable elasticity. This means the hood is easy to put on, naturally conforms to your head, and feels comfortable, even during extended dives. Its