Improved design: Ultra-stretch neoprene in the link face and chin for improved comfort and fit without worrying about it being too tight. Necking and no-necking options available The water between the skin and the hood will form a thermal isolation layer, keep you warm. Hoods also provide a protective barrier from stinging sea creatures. Stitching the neoprene and nylon fabric in glue and blind stitch method provides wonderful durability and flexibility. Don’t worry about tearing apart again! The flow vent above allows the bubbles to escape through the top of the wetsuit hood without generating the water exchange, which can maximumly guarantee your comfort and warmth. XUKER neoprene hoods fit multiple water sports - lake pool ocean swimming, snorkeling, paddling, diving, surfing. Let's redefine the way to experience water sports~