If you have bought items Black Friday at a discount, and want to exchange the item for another size, do the following:
Make the new order on the page with the size you want to buy instead, as with a regular return case. Add a comment to the order - "Black Friday exchange discount" 'then it stops in our system and we correct the price of the item in question. We do not withdraw the money for your order until we send the order away, so we simply downgrade the amount we withdraw from your card.
You will receive the amount you have paid for the article returned.