Men's Summer Strips Swimming Trunks Swimwear Elastic Fashion M Waist 26-28 inch L Waist 29-31 inch XL Waist 32-35 inch XXL Waist 36-38 inch 82% Nylon,18% Polyurethane. Soft for comfortable. Breathable. Please order ONE SIZE UP than your normal wear due to ASIN SIZE.