Now Available in Youth! Whether you're riding downhill, enduro, BMX, or moto, the MX360 MTB Impact Shirt boasts a CE-1621-2 certified impact shirt with removable back protector that provides world-class back and spinal protection while being lightweight and machine washable. The ventilated back pad is made up of layers of G-Form's SmartFlex and multi-density foam for added comfort, while the shoulders and chest feature SmartFlex Stretch padding so you are covered 360°. The full-length front locking zipper allows for an easy on/off base layer.