Get the Maximum Trauma Reduction with the MTR. A body protector vest does just that; it is designed to protect the body. This vest gives riders optimal protection while allowing for mobility. The Casco MTR is a certified ASTM F1937-98 model and is the only equestrian vest with a hard panel component. It comes with a carry bag for easy transportation and storage. There are 24 options, including a choice of material, pattern and color.