80% Cotton/12% Nylon/8% Spandex (Breathable, warm, and soft feel ) Real Thigh High - Increased the length of socks to 2’4” (no stretched) from heel up to the top of the sock. Sole length: 9". These socks are real thigh highs! They are perfectly over the knee for women who's height is 5’1”-5’7”. Softer and Thicker - From natural cotton upgrade to underwear-grade cotton and increased the density of knitted fabric, the thigh high socks are thicker - increased by 15% than last design, which become thicker and warmer, not easy out of shape after worn and washed. Better Elasticity - Widen the blend spandex on top of the thigh highs, the thigh high socks became more elastic, and friendly to big girls. Stay Up - After multiple tests and experiments, the thigh high socks was stay up better than last version. It maintains the wrapping power of the thigh in most of cases. No need to adjust it every moment.