SIDI Streetburner Boots! Sidi, continuously researching new technological solutions to enhance rider safety, is proud to present the Streetburner boot. With Sidi's great style, feel, support and quality there are no finer performance off road boots in the world. Low cut design. External ankle brace system. Composite inner sole. Tecno-II buckle system for a perfect glove like fit. Bolt on (no Velcro!) replaceable, adjustable and aerodynamic nylon scuff pads on the toe. Top Grain leather outer construction. Removable arch support. Double stitched in all high stress areas. Closable air vent. All bolt on parts are replaceable. Dual compound sole.