Clever Dubai Brief Machine wash cold, do not bleach. Tumble dry low, cool iron if needed. Wash dark colors separately. 94% Nylon / 6% Spandex Machine wash cold, do not bleach. Tumble dry low, cool iron if needed. Wash dark colors separately. Small Waist: 27-29", Medium Waist: 30-32", Large Waist: 33-35", Extra Large Waist: 36-38"