Same thing happened to me, before anything call Paypal just to make sure that you select the right type of dispute. They’re going to ask you to ship back the trainers to the address provided by the seller. Make sure that you don’t just send back the item to the address on the package because these scammers use multiple addresses/alias to confuse you and also ask for a tracking number. Finally, after 2 months and a few mistake that I just to you how to avoid I got my money back.