G-Form - Youth MX360 Impact ShirtNow Available in Youth! Whether youre riding downhill, enduro, BMX or moto, this CE 1621 2 certified impact shirt with removable back protector provides world class back and spinal protection while being lightweight and machine washable. The ventilated back pad is made up of layers of G Forms 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