-Size Tips -Please select the correct sizechart is based on the US size -You should choose the size according to you foot leaght. -Russian size is two sizes big than Eu size -Kindly Reminder: (1) EVA is more eco-friendly, wear resistant and better elasticity; (2) PVC has a little smell of paint for the ink printing. It's harmless to people. If you mind the paint smell, please select EVA. CN 24/25=Insole 16.5 cm CN 26/27=Insole 17.5 cm CN 28/29=Insole 18.5 cm CN 30/31=Insole 19.5 cm CN 32/33=Insole 20.5 cm CN 34/35=Insole 21.5 cm CN 36/37=Insole 22.5 cm CN 38/39=Insole 23.5 cm CN 40/41=Insole 24.5 cm CN 42/43=Insole 25.5 cm CN 44/45=Insole 26.5 cm CN 46/47=Insole 27.5 cm Note: ①Fit may vary depending on the construction, materials and manufacturer. ②New shoes may come with a little smell,it will disappear after ventilation. ③Slight color difference between photos and real object due to different display and shooting angle.