Koson-Man Men's Summer Strips Swimming Trunks Swimwear Elastic Fashion (Black) lace-up closure M Waist 26-28 inch L Waist 29-31 inch XL Waist 32-35 inch XXL Waist 36-38 inch 82% Nylon,18% Polyurethane. Wash with cold water. Wear breathe and comfortable. DUE TO ASIAN SIZE.Please choose ONE SIZE UP than you normally wear.