Berkshire Women's Plus Size Easy on Ribbed Tight Panty: 80% Nylon, 20% Spandex; Leg: 95% Nylon, 5% Spandex Made in US Hand Wash Easy fit waistband Waistband provides extra stretch for easy-on Ventilation in the top moves moisture away keeping you cooler Cooling fibers throughout the control top Ribbed texture leg, 60 denier