Kids USB Rechargeable Luminous Roller Skate Shoes - 2 Wheels (Heelys)

innerlength of size 25 is 15.5cm, innerlength of size 26 is 16.2cm, innerlength of size 27 is 16.8cm, innerlength of size 28 is 17.5cm, innerlength of size 29 is 18.2cm, innerlength of size 30 is 18.9cm, innerlength of size 31 is 19.6cm, innerlength of size 32 is 20.3cm, innerlength of size 33 is 21cm, innerlength of size 34 is 21.7cm, innerlength of size 35 is 22.5cm, innerlength of size 36 is 23.2cm, innerlength of size 37 is 23.5cm, innerlength of size 38 is 24cm, innerlength of size 39 is 24.5cm, innerlength of size 40 is 25cm, innerlength of size 41 is 25.5cm