Size: If the size couldn't fit comfortably, you can exchange or return it for free.
Kid 3.5 M=Shoe Length: 8.67”=220 mm
Kid 4-4.5 M=Shoe Length: 8.86”=225 mm
Women 6-6.5 M=Shoe Length: 9”=230 mm
Women 7-7.5 M=Shoe Length: 9 1/4”=235 mm
Women 8 M=Shoe Length: 9.44”=240 mm
Women 8.5 M=Shoe Length: 9.64”=245 mm
Women 9 M=Shoe Length: 9.8”=250 mm