Dear buyers : About the size problem you need to return the shoes at your own expense to request us to resend or refund. 1. the different styles of shoes have different size standards, so you are requested to refer carefully the size chart we provided before placing an order. 2.you'd better to select the size by your foot length, if your foot shape is extra wide or high instep,please choose one size larger. 3. If you still have query about the size, kindly leave message what exact length about your feet, then we will communicate with you about size to help you choose perfect size. thanks in advance.