Champion Women's SmoothTec Short Body: 87% Polyester, 13% Spandex; Crotch, Liner: 63% Polyester, 27% Cotton, 10% Spandex Imported Machine Wash Patent-pending SmoothTec waistband for chafe-resistance Quick drying Champion Vapor technology evaporates moisture fast Wide waistband is embossed inside to increase air flow Stretch for ease of movement 2.5" inseam