The material below is Open Game Content from a 3PP Source
Aura moderate transmutation; CL 9th
Slot armor; Price 5,165 gp; Weight 25 lbs.
This +2 hide armor is made from rhinoceros hide. In addition to granting a +2 enhancement bonus to AC, it has a –1 armor check penalty and deals an additional 2d6 points of damage on any successful charge attack made by the wearer, including a mounted charge.
Requirements Craft Magic Arms and Armor, bulls strength; Cost 2,665 gp