The Sidi ST and ST Air motorcycle boots are comfortable upper-level street boots that are also ready for the track.
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The ST and ST Air feature an external ankle brace system, a nylon inner sole with a removable arch support pad, a cam-lock buckle system for easy entry and boot removal, nylon scuff pads on the toe, closable air vents, a DuPont polymer toe shift pad, and a Technomicro base material.
The ST Air includes a replaceable shin deflector plate and additional Technomicro material on the outside for maximum airflow.
All bolt-on parts are replaceable, and both boots are available for $374.99.