【Sponge and Nylon Material】Neoprene rubber construction lined with nylon. 90% neoprene and 10% nylon material which is tough and easy to wear, soft and comfortable,It is not easily torn and deformed. 【Exquisite workmanship】This diving cap adopts excellent neoprene workmanship with four six-pronged needles, which has superior durability and high elasticity, and can provide you with a comfortable wearing effect. 【Thermal Protection】Ideal for keeping your head warm, when swimming in colder temperature conditions. They are designed to help cover the top of your head and ears, which aids in swimming in cold water. 【Adjustable Design】Velcro chin design is used to reinforce and adjust the tightness of the hat, and it is not easy to fall in different underwater sports. The version fits most head models.chin is self-adjusting elastic velcro, which can be adjusted to the most suitable size, easy to peel and quick access. 【Wide applications 】: This snorkeling wetsuit cap adopts a neutral style, which is suitable for both men and women, not only used for diving, but also can be used for surfing, winter swimming, kayaking, rafting, canoeing, snorkeling, scuba diving and all other water sports. Number of shipments: 1 pcs