Materials: [Body] 78% Nylon, 22% Spandex [Crotch] 84.2% Cotton, 8.2% Spandex, 7.6% Silk Waist Size: M [Cute, Zero Stress] Seamless, doesn't show panty lines, stress-free [Excellent elasticity and a soft feel.] Smooth to the touch. High elasticity for a perfect fit. Breathable and doesn't get stuffy. Doesn't dig in. [Comfortable to wear, excellent fit] Doesn't constrict, gentle material [So comfortable you'll forget you're wearing them] Perfect for light sports like yoga and the gym, as well as comfortable all year round.