Incorporating the indispensable features of the original ADV powerhouse SIDI Adventure Gore-Tex Boots, the SIDI Adventure 2 Gore-Tex Boots boast upgrades and refinements in strategic areas without upsetting the recipe that made the original such a standout success. - 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