Thank you for coming to our shop, I hope it is to your satisfactionItem Name: Calf SocksFeatures: Anti-slip, Wear-resistant, BreathableStyle: Adult, Chidren(Optional)Material : NylonManual : noSize Details:Length: Adult: 37cm, Children: 31cmWidth: Adult: 10cm, Children: 9cmSpecifications:This calf socks can slow down muscle fatigue and support your muscle, which can help you pursue better perfromance.There are two sizes for you to choose from.It is constructed of spandex, rubber band and nylon material.This calf socks is ultra soft, skin-affinity and breathable, which is comfortable for you to wear.This calf socks is suitable for cycling, fitness, doing sports, playing football and so on.Kindly Remind:Due to light and display, there may be slight differences between the picture and the actual color of the product.The color is subject to the goods received.In addition, please allow slight size difference due to manual measurement.High quality, assured choice is guaranteedPackage Includes:1 Pair of Calf Socks