Obviously Mens AnatoMAX Micro Modal Tag Free Briefs 90% Micro Modal 10% Lycra Gentle wash in cold water, Do not use Bleach, Tumble dry low, Cool iron if necessary, Do not dry clean Small Waist: 30-32", Medium Waist: 34-36", Large Waist: 38-40", Extra Large Waist: 42-44" 90% Modal / 10% Lycra Gentle wash in cold water, Do not use Bleach, Tumble dry low, Cool iron if necessary, Do not dry clean