This is the ScubaPro Novascotia/Everdry 6/4mm Scuba Diving Hood Features: NEW design and pattern improves fit and comfort. NEW face seal cuts down on heat loss from water transfer. 100% high-stretch Everflex Nylon outside and quick-dry Diamond Span fleece interior makes donning and doffing super easy and provides excellent comfort. Double snap button system attaches to NovaScotia or Everdry 4 dive suits. Made with 6/4mm X-Foam neoprene, a very specific limestone-based neoprene complying with strict PAH and REACH regulations. Assembled using a solvent-free glue, a 100% green process. This is the perfect hood to complement Everdry 4 neoprene drysuits and the NovaScotia semi-dry. It is made of high-stretch 100% Everflex Nylon on the outside, and on the inside a Diamond Span quick-dry fleece liner increases warmth and comfort for those extended cold-water dives. The hood comes with an air vent system, a face seal to minimize water transfer plus a double snap button in back to attach to the snap buttons on NovaScotia and Everdry 4 drysuits to ensure perfect positioning throughout the dive. Solvent Free Glue