The Horze Sentinel Helmet is equipped with an outer shell that can withstand super high impact under high and low temperatures. The inner shell offers optimal impact absorption. This combination protects your head in the best possible way. The comfortable lining is made with memory foam that molds to your head perfectly and wicks away any moisture. The durable chrome frame at the top has ventilation slots that offer great air flow that keeps your head cool. The chin buckle is made with a quick-release function and padding to ensure a comfortable and secure fit. The dial system makes sure the size is perfect for you. This helmet is not approved for BHS, BRC, British Eventing or The Pony Club.