sak shoes Size Chart: 35=22.5cm. 36=23cm 37=23.5cm. 38=24cm 39=24.5cm. 40= 25cm Step on the white paper and use a pen to point out the front and back two points. The distance between the two points is the correct foot length. If the instep is high and the foot is wide and fat, it is recommended to choose one size larger. If the instep is flat, it is recommended to choose the side One size smaller "Sweet Reminder" NO RETURN NO EXCHANGE Please check the integrity of the product, receive the package, and sign it for confirmation. SHOP RULES: Once order is scheduled, strictly no cancellations allowed. Please be reminded that under free shipping, seller has no control on time and date of the delivery, There may be delays on ship out. so we don’t accept rush orders. Cancelled/Refused parcels will affect your Account performance. 3 cancelled orders is subject for COD Termination. ALL ITEMS ARE ON HAND.