These two links provide information about leather armor sets and items in World of Warcraft. The first link describes several leather armor sets that have stylish designs and are suitable for different classes and levels. The second link allows searching for a specific item called "Saint" that has a required level of 80 and is made of leather.

1. http://wowroleplaygear.com/2010/01/04/stylish-leather-sets/
http://monsterwow.com/quest.php?name=old_items&quality=4&material=1&slot=0&requiredlevel=80&q=+Sain
t&search=Search