The LTC 26227 NIJ 04 Level IV Single Curve Side Plate Set is an NIJ 0101.06 certified Stand Alone plate that comes in a triple-curve for the most comfort during wear.  Each plate is made with a high density alumina ceramic core (Al2O3) which is then backed with layered woven aramid fiber and finished in a black water resistant Cordura Nylon covering.  The strike face of the plate is outfitted with a foam pad to protect against severe drops.