Cotton 94% Spandex 3.5% PVC2.5% (breathable, warm and soft) machine-wash True thigh height - increase the length of the sock from heel to top of the sock to 2'6 inches (no stretch). These socks are so tall! For women who are between 5 feet 2 inches and 5 feet 9 inches tall, they are completely above the knee. In an informal test, it almost reached the top of the thigh (5 feet 4 inches tall). Underwear cotton - we upgraded its materials. Considering more thickness and flexibility, it is softer and warmer than ordinary cotton. Stay up late - all parts of socks have good elasticity, which can maintain the wrapping force of thighs in most cases. No need to adjust every moment. Wider top spandex Increase the top spandex strap to 4 inches to protect the ring. Product Description Super long cotton thigh high socks plus warm leg pants Stay up late - all parts of socks have good elasticity, which can maintain the wrapping force of thighs in most cases. No need to adjust every moment. Wider top spandex Increase the top spandex strap to 4 inches to protect the ring. Overlength Real thigh height Increase the length of the sock from the heel to the top of the sock to 2'6 inches (no stretch). These socks are so tall! For women who are less than 5 feet 10 inches tall, they are completely above the knee. Large elasticity Wider top spandex Increase the top spandex strap to 4 inches to protect the bike. Don't sleep Keep in good condition Stay up late - all parts of socks have good elasticity, which can maintain the wrapping force of thighs in most cases. No need to adjust every moment. The weather is warmer