This CE-1621-1 certified impact shirt boasts a CE-1621-1 certified, removable back protector for 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 360º. The full-length front locking zipper allows for an easy on/off base layer.