Back zipper for easy take on/off.Knee used thread cloth, more wear-resisting. The part of touching face and cuffs used smooth skin material, waterproof and warm. Inside used silk glossy cloth, vest connect the pants weared more comfortable, make your heart more warm, add the jacket, give you double warm. Double needle blind stitch, beautiful and strongly. Inside bonding process, better waterproof. This neoprene wetsuit often worn for swimming, aerobics, water volleyball, surfing, diving, paddling, snorkeling, kayaking and other water sports, etc. Specification: Material: Shark Skin+Neoprene+Nylon+Wear resistant cloth Size(CN): M: Waist: 74-77cm/29.1-30.3inch Bust: 93-95cm/36.6-37.4inch Fit Height 170-175cm/67-68.9inch Fit Weight 57-64kg/125.6-141.1lbs(EU:46) L: Waist: 77-81cm/30.3-31.9inch Bust: 95-99cm/37.4-39inch Fit Height: 173-178cm/68.1-70.1inch Fit Weight: 61-70kg/134.4-154.3lbs(EU:48) Size XL: Waist: 81-86cm/31.9-33.9inch Bust: 99-104cm/39-40.9inch Fit Height 175-180cm/65-68.1inch Fit Weight 70-77kg/154.3-169.8lbs(EU:50) Size XXL: Waist: 86-91cm/33.9-35.8inch Bust: 104-110cm/40.9-43.3inch Fit Height 178-183cm/70.1-72inch Fit Weight 77-86kg/169.8-189.6lbs(EU:52) Size XXXL: Waist: 91-96cm/35.8-37.8inch Bust: 110-117cm/43.3-46.1inch Fit Height 180-185cm/70.9-72.8inch Fit Weight 86-95kg/189.6-209.4lbs(EU:54) Size XXXXL: Waist: 97-102cm/38.2-40.2inch Bust: 117-123cm/46.1-48.4inch Fit Height 183-188cm/72-74inch Fit Weight 95-104kg/209.4-229.3lbs(EU:56) Package Includes: 1 Piece Wetsuit