They are purchased from factories authorised to manufacture for the brands or outlet.Most of the time, they manufacture the items in excess of actual quantity ordered. Any clothes unsold to full-priced retailers are then sold at a discount to factory outlets or closeout stores.
I have compared this shoes with CROCS boutique and they are the same....
Available stocks & design are only limits to those that uploaded @ http://2ndwardrobe.blogspot.com under Branded New-Kids.