You need to understand that plus size market is doing really well. Profits have been rolling in for retailers catering to plus size persons. This is because America?s adults are growing not only in number but also in size. The average size is in fact already nearing the plus size, which is size 14. Moreover, customers pay more for plus sizes because they go on sale less often. More existing clothing lines have added larger sizes to their racks. Some of which are Wal-mart, K-mart and Old Navy.