K2 13 18.5cm→19.5cm→20.5cm Size can be adjusted by 1cm by removing one insole. Easy to put on and take off, and the Boa system (dial type) securely fastens the feet. It fits well and is easy for beginner children to handle. LED lights are attached to the soles, so they flash with every step, and children are sure to be delighted!! Please check the condition in the photos. It will be shipped in the box that the reboots came in. This is a used item that a child has used, so please refrain from purchasing if you are concerned.