Super stretch 2mm neoprene makes dive vests soft, comfortable and form-fittingGood heat preservation effect helps to keep you warm in cold water, create a comfortable watersports environment for youFlatlock seams provide you a smooth and abrasion resistance surf vestHeavy duty front zipper is easy on and off for youDesigned for diving, kiteboarding, wakeboarding, kayaking, canoeing and other water sportsSpecification:Material: NeopreneThickness: 2mmColor: BlackSize: S (for adult 165-170cm height)Chest: Approx. 78-84cm / 30.7-33 inchWaist: Approx. 67-72cm / 26.4-28.3 inchHip: Approx. 80-84cm / 31.5-33 inchSize: M (for adult 168-173cm height)Chest: Approx. 84-90cm / 33-35.4 inchWaist: Approx. 72-77cm / 28.3-30.3 inchHip: Approx. 84-88cm / 33-34.6 inchSize: L(for adult 173-178cm height)Chest: Approx. 90-96cm / 35.4-37.8 inchWaist: Approx. 77-82cm / 30.3-32.3 inchHip: Approx. 88-92cm / 34.6-36.2 inchSize: XL(for adult 178-183cm height)Chest: Approx. 96-102cm / 37.8-40.2 inchWaist: Approx. 82-87cm / 32.3-34.3 inchHip: Approx. 92-96cm / 36.2-37.8 inchSize: XXL(for adult 183-188cm height)Chest: Approx. 102-108cm / 40.2-42.5 inchWaist: Approx. 87-92cm / 34.3-36.2 inchHip: Approx. 96-100cm / 37.8-39.4 inchPackage Includes:1 Piece Wetsuit Top