The Chest Protector 3.5 Pro is new for 2021. Leatt has added adjustable shoulder guards to this popular hard shell racers choice product. Slim, lightweight & has certified impact protection for the chest & back. 3D multi-layer, multi-plate articulating design that proves to be comfortable as well as ventilated & works with or without a Leatt Neck Brace. Features Very light hard shell armor with 3DF impact foam With shoulder protectors Three dimensional molded for perfect fit Great wearing comfort Ventilation openings for more cooling Tested according to Chest: pr EN1621-3 Level 1 Back: pr EN 1621-2 Level 1