The ALPINESTARS Bionic Action Chest Protector is an ultra-lightweight protection system featuring innovative CELL technology. This technology ensures an ultra-lightweight build while providing optimal ventilation for maximum comfort. Both the front and rear hard shell plates are equipped with Bio-Foam padding, offering superior protection and shock absorption. Ideal for off-road enthusiasts, this chest protector combines advanced materials and engineering to keep you safe without compromising on comfort and flexibility.