Combining motocross level protection with a boot that's comfortable on or off the bike, the Adventure 2 Gore-Tex is an evolution of the ultimate adventure boot. Combines Sidi's best touring and offroad features into an effective adventure boot design Full grain microfiber material used for the upper's construction along with Cordura Equipped with a Gore-Tex construction to add a waterproof, yet highly breathable barrier between the elements and the rider's feet Cambrelle inner lining Split grain leather inner anti-wear/heat panels are incorporated to the inside of the boot Single Flex System upper no longer squeaks when walking Tongue and groove rear of calf panels protects the Achilles tendon Exclusive cam-lock buckle system with an elastic expansion panel and a Velcro secured upper flap Rigid, shock resistant, anatomically shaped heel with hyperextension block for maximum protection Nylon inner sole with removable arch support pad Beefy pull tab makes entry and exit a breeze Slim, cool non-bootie design Bonded non-slip lug type sole Reflective panel is placed above the heel for night riding visibility Replaceable micro adjustable cam-lock buckle system with memory retention straps