Clever Kunzite Latin Briefs 80% nylon Machine wash in soft cycle, using mild detergent. Do not use chlorine bleach. Do not iron. Dry in the shade. 80% Nylon / 20% Spandex Machine wash in soft cycle, using mild detergent. Do not use chlorine bleach. Do not iron. Dry in the shade. Small Waist: 27-29", Medium Waist: 30-32", Large Waist: 33-35", Extra Large Waist: 36-38"