1. This crawling knee brace is designed for babies who just start to learn to crawl and walk. It can prevent their knees from being scratched and make them more brave to learn to crawl. The sole is equipped with anti-slip points, which can effectively increase the friction with the ground, avoid slipping, and make wearing safer 2: crawling knee pads and socks are made of high quality blend and polyester materials, soft touch, good air permeability, moderate thickness, suitable for wearing all the year round, can bring good protection to the baby's feet and knees 3. These baby knee pads and socks are elastic 4 You can choose this unisex toddler knee brace that can be worn over the knee and elbow, choose it along with non-slip socks as a practical gift for your friends or family with children, they will love it, and if you feel a little tight, you can loosen it by hand