DESMIIT Men's Sunbath Swimwear Briefs 82% nylon+18% polyurethane Drawstring closure Good flexibility fabric ,Soft and comforable ,quick dry . Fashion design ,Perfect clipping makes it nice and breathable to wear . water repellent technology dries fast and resists fading Aisa size ,Smaller than EUR size ,Please refer to the product description & size before purchasing the item .