Foundations Brief Your go-to Foundation Brief for under all of your leotards and costumes! These no-show briefs feature bonded waist and leg line seams that disappear underneath garments for a smooth hold on the body and a seamless finish. Comfortable cotton gusset for breathability and hygiene. Available in both adult and tween sizes. Product Features: 94% Nylon, 6% SpandexNo-showBonded waist and leg line seamsCotton gusset for breathability and hygieneMachine wash cold, delicate cycle, hang dry