Combined Socks and Soft Sole: Easy to slip on and off, baby socks with grippers, well protect babies feet, a perfect baby first walking shoes. Non-slip Soles: Upgrade phylon soles are softer, lighter, with excellent non-skid and abrasion performance, a safe and comfortable sock shoes for baby boys baby girls. Wide Anti-collision Toe Box: Toe cap adds an extra barrier to protect infant's feet from injuries, good for toddler to crawling. Breathable and Moisture Wicking: Baby walkers made with premium quality cotton & nylon knitted upper, has excellent breathability, moisture wicking function, keep toddlers feet dry and odorless, good support shoes for baby learn to walk. Five Size for Choice: Fits up to 0-9 Month (size 3.5), 9-12 Month (size 4.5), 12-15 Month (size 5), 15-18 Month (size 6), 18-24 Month (size 6.5). Very soft, comfort and stretchy. Easy to clean, hand & machine washable.