Wetsuit Hood 3mm Thermal Neoprene Diving Hood Wetsuit Hood with Vents size: M: Suitable for head and tail 54-56cm. L: Suitable for head and tail 55-57cm. XL: Suitable for head and tail 56-58cm. Tips: The measurement method of head circumference is the circumference from the forehead to the back of the head, calculated in centimeters. Product Description: 1. The seams at the forehead and chin are knotted to support DIY edge trimming; 2. The single-sided sponge sheet used on the face makes the diving hood fit the face better; 3. Adhesive blind seam technology, the waterproof level is even better. 4. There are air holes on the top of the head to facilitate the discharge of air bubbles generated after entering the water 3mm high-quality SCR neoprene + imported nylon, environmentally friendly, high elasticity, excellent thermal insulation performance, long service life. A glued blind seam is more waterproof than a flatlock seam because it bonds the material together before being stitched. Seams on forehead and chin are knotted for more durability; face seals can be DIY trimmed to precisely match unique facial contours. Integrated flow vents allow air to escape through the top of the hood without promoting water exchange. A single-sided sticky sponge on the face makes the wetsuit hood fit the face better. Designed for beach, scuba diving, diving, surfing, snorkeling, paddle boarding, kayaking, canoeing and other water sports or outdoor activities. Perfect ProtectionThis wetsuit bandana prevents UV rays, protects your head from sea lice, jelly and other small sea creatures, and keeps you warm underwater. Fits naturally to the face and reduces water resistance, allowing you to enjoy the water freely. HIGH QUALITYThe diving cap is made of 3MM high-grade neoprene, which provides you with a flexible and comfortable fit, giving you a comfortable diving experience. Durability150% high elasticity and excellent recovery, bonding and blind stitching, superior strength and durability, no need to worry about tearing, believe it will be your long-term partner. [Note] The diving hood is not a completely waterproof product, but a diving equipment that matches the diving suit.