Below you will find links to all the shops that sell clothing all over Eaxia, that I know of.
Crystal Caverns
D'Mare Fin
Sal va'Taer Forest
Semanri
Tes'Kata Village
Again to my left at the top of the page you will notice my dragonling Amethyst guarding my navigation bar.
NOTE - Amethyst has been known to get overly excited at feeding time and sometimes bites so please do not feed her.