Fox Racing Instinct LE Men's Off-Road Motorcycle Boots - Yellow / Size 9 Hinge Lockout: Stops motion before hyper extension Duratac: Exclusive Fox rubber compound provides unprecedented grip and durability on the sole Interface: A slim medial design keeps you close to the bike with the Duratac burn guard giving grip Low Ride Chassis: Gets the riders foot lower to the ground and closer to the foot peg Instinct Buckle: Flawless operation every time