- Size: 21 • Breathable and soft material that provides comfort and allows feet to breathe freely. • Slip-on design so children can easily put on and take off the shoes, ideal for various situations and activities. • Non-slip rubber sole that offers a firm grip, suitable for indoor and outdoor use. • Shoe tip with an additional layer of fabric to protect toes from possible injuries. • Available in a variety of colors and sizes (from 17 to 37), suitable for both small and big children.