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: Size Chest Circumference Waist Circumference Length Recommended Height Recommended Weight cm in cm in cm in cm in kg lb S 84-89 33-35 69-78 27.2-30.7