Gore-Tex highly breathable and waterproof membrane Single Flex System upper no longer squeaks when you walk Tongue-in-groove rear of calf panels protect the Achilles tendon Bonded non-slip lug type sole Replaceable micro adjustable cam lock buckle system with memory retention straps Full Grain Microfiber material is used for the upper’s construction along with Cordura Nylon inner sole with removable arch support pad Beefy pull tab makes entry and exit a breeze Exclusive cam-lock buckle system combined with a VELCRO® brand fastener upper flap with an elastic expansion panel Cambrelle lining Slim, cool non-bootie design Rigid, shock resistant, anatomically shaped heel with hyper extension block for maximum protection Split grain leather inner anti-wear/ heat panels are incorporated to the inside of the boot Reflective panel is placed above the heel for night riding visibility