JOR '80s Briefs Machine wash cold on gentle cycle. Do not use bleach.Tumble dry with low heat on gentle cycle. Do not dry clean. 96% Polyester / 4% Spandex Machine wash cold on gentle cycle. Do not use bleach.Tumble dry with low heat on gentle cycle. Do not dry clean. Small Waist: 26"-28"", Medium Waist: 28"-30"", Large Waist: 30"-32"", Extra Large Waist: 32"-34""