Eviscerator's Battlegear

Evicerator's Battlegear is a level 78 set of leather armor focused towards rogues, Feral and Guardian druids, and Windwalker and Brewmaster monks. All items in the set have an item level of 187.

Source
All the items are crafted by Grandmaster level Leatherworkers (skill 420+). The patterns are sold by Braeg Stoutbeard in Dalaran.