Super stretch 3mm SCR neoprene material, soft, comfortable and form-fitting. Note: The Asian sizes are actually smaller than American/British Sizes, we recommend please check the size chart before you purchase. Keeps you warm in cold water, create a comfortable watersports environment for you. Flatlock seams provide you a smooth and abrasion resistance surf vest. Heavy duty front zipper is easy on and off for you. Designed for diving, kiteboarding, wakeboarding, kayaking, canoeing and other water sports. Size Chart: S - Fits Height 150-155cm, Weight 43-48kg Chest: Approx. 78-83cm / 30.71-32.68 inch Waist: Approx. 68-73cm / 26.77-28.74 inch Length: Approx. 58cm / 22.83 inch M - Fits Height 155-160cm, Weight 48-53kg Chest: Approx. 84-89cm / 33.07-35.4 inch Waist: Approx. 74-79cm / 29.13-31.1 inch Length: Approx. 59cm / 23.23 inch L - Fits Height 160-165cm, Weight 53-58kg Chest: Approx. 90-95cm / 35.43-37.4 inch Waist: Approx. 80-85cm / 31.5-33.46 inch Length: Approx. 60cm / 23.62 inch XL - Fits Height 165-170cm, Weight 58-63kg Chest: Approx. 96-102cm / 37.8-40.16 inch Waist: Approx. 86-91cm / 33.86-35.83 inch Length: Approx. 62cm / 24.41 inch Package Includes: 1 Piece Wetsuit Vest Note: Please allow 1-3cm errors due to manual measurement. Color may be slightly different since different monitor. Thanks!