Women's Yoga Suit Loose Long Yoga Trousers Pants Dance Fitness Pants cotton It's Asian size,and sizes run smaller than U.S standard clothing size.please check our size chart carefully.I would recommend you to order one size up material:92%Viscose+8%Spandex drawstring waistband can adjust tightness freely and straight leg style environmental material has a strong sweat absorption, breathable,elastic and comfortable to wearn use hand wash in less than 30 degrees water only