Abstract: An armor plate includes atop surface and bottom surface disposed adjacent to the top surface and comprising a plurality of inflection points defining a first curve, a second curve, a third curve, and a fourth curve. The armor plate may be wearable on the front of a torso or the back of the torso. The bottom s face of the armor plate may include a substantially convex contour. A bottom region of the armor plate may include the first curve and a top region of the armor plate may include the second curve, with the first curve being tighter than the second curve. The bottom region may also be configured follow a contour of an abdomen while the top region is configured follow a contour of a thorax.