ErgoWear Max Light Boxer 90% viscose 10% elastan Importado Machine wash warm. Do not bleach. Do not tumble dry or iron. Do not dry clean. 90% Viscose / 10% Spandex Machine wash warm. Do not bleach. Do not tumble dry or iron. Do not dry clean. Small Waist: 27-29", Medium Waist: 30-32", Large Waist: 33-35", Extra Large Waist: 36-38"