Ekouaer Men's Breathable Sports Boxer Brief Underwear 3 Pack 90% Polyamide/10% Spandex Breathable Fabric:90% Polyamide+10% Spandex 3 pack boxer brief features a low-rise fit, with open fly design for support Sleek, lightweight fabric resists wrinkles and quick drying low-rise elastic Ekouaer waistband;Moisture Wicking,Machine wash and dry. Our size are standard US size,please choose your general US underwear size