Autumn and Winter Children's Shoes Waterproof PU Leather Children's Boots Fashion Toddler Lace-up Zip High Boots Boys Girls

Dear friends:
Because all children shoes size is difference,When you order the children's shoes,You should choose the right size according to the length of your child's feet. 
According to the Insole length.(Insole length=Foot length +1cm)
The US size is Not Standard ,Just convenient for you to do order. 
The comfortable length is the foot length add about 1cm.
 The measurement is not absolutely accurate,maybe there is a error ± 5MM.