Women Size chart:order a size up would be recommend S:bust 78-83cm, waist 68-73cm, hips 82-87cm, sleeve 60cm, suitable for height 150-155cm, suitable for weight 43-48kg M:bust 84-89cm, waist 74-79cm, hips 88-93cm, sleeve 62cm, suitable for height 155-160cm, suitable for weight 48-53kg L:bust 90-95cm, waist 80-85cm, hips 94-99cm, sleeve 64cm, suitable for height 160-165cm, suitable for weight 53-58kg XL:bust 96-102cm, waist 86-91cm, hips 100-105cm, sleeve 65cm, suitable for height 165-170cm, suitable for weight 58-63kg Men Size chart:order a size up would be recommend M:bust 90-96cm, waist 84-90cm, hips 96-102cm, sleeve 70cm, suitable for height 168-172cm, suitable for weight 55-65kg L:bust 94-100cm, waist 88-94cm, hips 100-106cm, sleeve 72cm, suitable for height 172-176cm, suitable for weight 65-75kg XL:bust 98-104cm, waist 92-98cm, hips 104-110cm, sleeve 74cm, suitable for height 176-180cm, suitable for weight 75-85kg XXL:bust 102-108cm, waist 96-102cm, hips 108-114cm, sleeve 76cm, suitable for height 180-184cm, suitable for weight 85-95kg Material: 90% Neoprene + 10% Nylon Ergonomic Design 3mm Diving Suit - The 3mm wetsuits are worn suitable for 55- 64 water temperature, it keeps you warm in cold water. The full wetsuit designed with Back zipper, extra long leash, easy to reach. Durable Knee-pads- The knee pads are firm and durable. Conducive to protecting the knee material and skin. Perfect for Various Water Sports - UPF 50+, protect you from the sun and keep away from jellyfish bite risk. Full suits are great for diving,snorkeling,paddleboarding, kiteboarding, kayaking, canoeing.