Hi, i recently purchased a pair a shorts off your site, and realized when they came they are a little to small. I heard the proper procedure was to send it back with the provided shipping label, but there was no shipping label provided. I chose the fedex overnight shipping. Would it be possible to send in the item i'm exchanging with a older shipping label i obtained from a few weeks ago? Also would i have to pay for the shipping with the label? or can i drop it off at a drop box? Thanks in advance!