Size: Small: 4/6, Medium: 8/10, Large: 12/14, X-Large: 16/18, XX-Large: 18W/20W. Sweatpants is made of 95% Cotton & 5% Spandex, which is very comfortable & breathable. Designed with elastic waist, adjustable drawstring, functional pockets, this joggers is ideal for hiking, housework, yard work, fall, spring, summer, gym, chilly evenings, cold weather, daily wear.