Made of 3mm premium neoprene and nylon fabric, eco-friendly and good heat preservation. Exquisite stitching can reduce the irritation and ensure your maximum comfort and durability. Thermal suede lining keeps you warm and comfortable undersea, soft and skin-friendly. Smooth front zipper for easy to put on and take off, convenient and humanized. 7 sizes for optional, high elasticity and high flexibility, suitable for different size people. Great wetsuit top for diving, surfing, snorkeling and other water sports.