Features: 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. Note: Only include the diving top, pants not included. Measuring tolerance 3cm is allowed due to elastic material. The vest is tight, suggest to add one size up to your normal size. Specification: Material: Neoprene+Nylon Color: Black Size: S/M/L/XL/2XL/3XL/4XL (optional) Size Chart: Package Size: 40 * 35 * 3cm / 15.7 * 13.8 * 1.2in Package Weight: 600g / 21.2oz Package List: 1 * Diving Vest