Buy the best-quality Spartan Armor Systems Ares Level IV Ceramic Body Armor-Set Of Two. With the Ares level IV ceramic body armor plate, we have created the strongest, lightest level IV plate we have ever made. Tested in the lab, the Ares has a boron carbide strike face and a UHMWPE backer. It is manufactured in Tucson, AZ, and is a superior-level IV plate. For further information, visit our online store. Buy Now!