Large area of grip can protect your baby's especially for children who like running, skateboarding and jumping at home. Also suitable for babies who learn to walk or crawl Ankle or crew socks according to your needs and preferences If you untie the cuffs, they will keep your baby's calf warm and difficult to slide down. They are usually the middle calf height, depending on your baby's foot size skin-friendly cotton, soft towel cloth covers the whole sock,very soft and comfortable to wear, and keeps feet warm and comfortable in cold weather Elastic, not too tight, don not worry about leaving marks on your baby's ankles and feet