?? I combine shipping. If you order multiple items at the same time, I will automatically refund you the excess shipping fee you have paid. Thank you. ?? Measurement: 20/21 (12-18 Months Old): Sole Length is 13 cm long, or around 5.1 inches long 22/23 (18-24 Years Old): Sole Length is 14 cm long, or around 5.5 inches long 24/25 (24-30 Months Old): Sole Length is 15 cm long, or around 5.9 inches long 26/27 (2.5-3.5 Years Old): Sole Length is 16 cm long, or around 6.2 inches long Look no further than barefoot sock shoes! These innovative shoes combine the best of both worlds: the freedom of going barefoot and the protection of a shoe. Let’s dive into what makes these sock shoes so special: Natural Movement: Inspired by the concept of barefoot running, sock shoes allow your feet to move naturally and freely. Say goodbye to rigid soles and hello to a more natural gait. Lightweight and Breathable: Made from a special blend of antibacterial yarn and tear-resistant polymers, these shoes are lightweight and breathable. Antibacterial Yarn and Tear-Resistant Polymers: These materials make the shoes lightweight, breathable, and long-lasting. You’ll feel like you’re wearing socks, but with added durability. Perfect for Any Adventure: Whether you’re exploring the great outdoors or just need comfy shoes for everyday wear.