This shirt provides IIIA protection for the Front and Back. (Size M to 2XL) Meets full Level IIIA compliance. Material is spandex blend which provides breathability. Stretch to provide snug fit. Removal inner armor plates front and back makes the shirt washable. Recommend ordering one size smaller than normal shirt you would wear, If you wear a Large T-shirt, order a Medium armor shirt. Armor plates made in the USA of Teijin aramid. Shirt imported.