Size------- Inner Length(cm) Size 35, Inner Length:22.5cm Size 36, Inner Length:23.0cm Size 37, Inner Length:23.7cm Size 38, Inner Length:24.4cm Size 39, Inner Length:25.0cm Size 40, Inner Length:25.7cm Size 41, Inner Length:26.4cm Size 42, Inner Length:27.0cm Size 43, Inner Length:27.7cm Size 44, Inner Length:28.4cm Size 45, Inner Length:29.0cm Size 46, Inner Length:29.7cm Foot Length + (1~1.5cm)=Inner length(cm) Packing included: 1pair*shoes Style:new brand & Good quality. Gender: Unisex Color: colors models (Check the pictures.) Size Details: (1cm=0.39inch, 1inch=2.54cm) (Please choose your size according to the kid's foot length) Please reference our size picture carefully! Measured by hands, please allow 0.2-0.5cm error! Due to computer monitor, may exist some color error, please do not mind!