Composed of Ultra High Molecular Weight Polyethylene (UHMWPE) and Silicone Carbide (SIC) ballistic material, our Level IV rifle plates provide lightweight protection at just over 5 pounds. The Shooter's Cut design fits standard plate carriers that accommodate 10 x 12 inch plates, 11 x 14 inch and the natural curve fits to the contours of the body for maximum safety and comfort.