The Company 4 Pro Armor back protector, made of expanded nitrile rubber, with perforated structure and functional and anatomical shape, is extremely light and flexible. The protector flexes and extends longitudinally and laterally and is held in place by removable shoulder straps and a lumbar band that can be removed and adjusted. The excellent protection and high comfort offered by this accessory make it perfect both for racing use inside suits and in combination with jackets for motorcycle use.