Material: 80% Neopreneand 20% nylon SIZE CHART:order a size up would be recommend S: bust 88cm, hips 82cm, waist 76cm, suitable for weight 50-59kg, suitable for height 160-167cm M: bust 92cm, hips 86cm, waist 80cm, suitable for weight 59-65kg, suitable for height 167-173cm L: bust 96cm, hips 90cm, waist 84cm, suitable for weight 65-72.5kg, suitable for height 173-175cm XL: bust 100cm, hips 94cm, waist 88cm, suitable for weight 72.5-77.5kg, suitable for height 175-180cm 2XL: bust 104cm, hips 98cm, waist 92cm, suitable for weight 77.5-82.5kg, suitable for height 180-185cm 3XL: bust 108cm, hips 102cm, waist 96cm, suitable for weight 82.5-90kg, suitable for height 185-190cm Designed for sport is the one-piece, ultra-soft 3 mm neoprene suit ideal for water sports offering complete safety and comfort. Perfect for snorkelling and scuba diving in warmer waters, surfing and other activities. Back zip wetsuit, the outer is imported nylon fabric, it is high elastic and durable; the middle insulation is neoprene, it is high scalability, waterproof and heat insulation; soft close skin heating to keep warm,it is close skin and comfortable soft warm. Light and comfortable -The is a one-piece long wetsuit that is very easy to wear, With a practical long Lace-Up Back zip.The body shaped preformed cut and the elasticity of the Neoprene facilitate comfort without compromising your movement. DIVING suit detail - Heavy duty Zipper with zipper pull/hook-and loop closure at back is easy on and off, flatlock seams provide you a smooth surf suit.