Alpinestars A-6 Chest Protector Revolutionary technology designed to ensure exceptional impact protection in a comfortable, lightweight and well ventilated structure. ? Outer polycarbonate layer provides roost protection. ? EPP foam middle lining affords a soft feel against the body. ? Flexible underside foam offers an additional layer of impact protection. ? Adjustable waist elastic belt with secure and easy to operate buckle closure. -- Designed to accommodate the Bionic Neck Support and most neck brace systems on the market. ? CE certified to EN 14021.