If you need to change sizes, please return the product to us. We will refund your money back to the payment method that was used for the purchase and you can place a new order with a different size when you wish to.
Please note: Products purchased with a discount in a campaign period may be returned for a refund, but they cannot be exchanged. We cannot guarantee you can buy a new product with the same discount if you need to return a product bought during a campaign.