You can return this item free of charge until January 31, 2022. The item must be returned in new and unused condition. Retrieve orders and initiate the return. Print the return label. And send! Size: The length from the top heel is approximately 68 cm and from heel to heel approximately 19 cm. With good elasticity, the maximum stretch of the socks can reach approximately 29 cm. If you have further questions, please contact us and we will respond as soon as possible. Our knee-high socks are made of soft and comfortable polycotton blends that are breathable and comfortable. They have good elasticity and do not fall off. Can be combined with most clothing items suitable for daily wear, cosplay, dance, and yoga, ideal gifts for girls and women. Wide range of uses: Put them over your knees to keep your knees warm. Wear them below your knees and over your calves for a fashionable look. You can also scrunch the thigh-high tube socks around your ankles as popular loose socks. Great with shorts and mini skirts to show your youthful strength and boost your confidence. You can also wear them below your knees as a pile of socks, natural and relaxed. Stylish, elegant, and sexy socks can be worn with mini skirts and shorts, comfortable and breathable, smooth and skin-friendly. Suitable for wearing in 4 seasons, wearing in spring is comfortable, wearing in an air-conditioned house in summer can protect your knees, wearing in autumn is cool and beautiful, and wearing in winter can keep you warm.