Men's Sexy Color Matching Beach Swimwear Sport Shorts Swim Briefs B1135 80% nylon Size(inch): S: 26"-29''stretch, M: 28"-32''stretch, L: 30"-35''stretch, XL:32"-38''stretch Material: 80% Nylon+ 20% Spandex Smooth elastic fabrics, have very good shape body effect, suitable for sports and fitness. The waist of the rope can adjust the size of the waist, make you feel more comfortable. Fashion color Matching.