Choose the perfect size: Use American sizes on the soles; UK sizes follow a one-size conversion (e.g., US C3 corresponds to UK 3), increasing to the next two-size if your child normally wears half a size (e.g., UK 4). Dive into the world of adult sizing by buying UK teen sizes for your little one aged three and up Get the right fit: Use the American size on the sole to make sure you're converting correctly, check out the size chart below Make each pair unique: These pendants plug into vents so you can personalize them to your particular style Convenience: This lightweight design does not cause a fuss, thanks to the trackless sole and convenient, easy-to-clean exterior; Any muck is easily removed with some simple soap and water