Highly Men's Basic Swim Shorts Swimwear Trunks Waterproof Technology Dry Fast 82% Nylon,18% Polyurethane Double Fabric, light-weight design, breathable and comfortable Suitable for any circumstance, when walking, running, in the beach or at home,etc. Wash with cold water 1.5 Inch elastic waist band for extra comfort and support DUE TO ASIAN SIZE.Please choose ONE SIZE UP than you normally wear