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/ceramic skid pads on the toe. Carbon fiber-replaceable shin deflector plate. External ankle brace system. Lorica outer construction. Removable arch support. Double stitched in all high stress areas. Closable air vent. All bolt on parts are replaceable. Dual compound sole. New elastic panels adjacent to the entry zipper allow a bind free zip and improved fit. DuPont polymer toe shift pad. Perforated Teflon treated nylon lining. Shock absorbing heel cup. Tecno VR adjustable calf system. Padded Achilles area. Perforated Lorica outer for maximum air flow. Rider magazine: “We especially like the wide range of adjustability the Corsa offers, along with its great looks and many protective features.” Robb Report magazine: “Step up to a pair of the highest functioning racing and sport touring boots on the market today.” Motorcyclist magazine: “The Vertigo is a comfortable assemblage of bright ideas that really work. And once adjusted, you don’t think about the Sidi’s again until its time to take them off. Form, in this case, is a direct result of superior function.”

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