Sidi RR Genius X black 40

An icon? Reinterpreted for modern riders: The GENIUS X Microfiber combines comfort and control for every riding style.
The high-quality microfiber upper is soft on the foot, yet provides structural support for a secure, skin-friendly fit—even under load. Two NUUN twist closures and a high-density strap ensure precise adjustment, while the R3CC carbon composite sole and external heel cap provide stable, efficient power transfer on every ride.

11 GENERATIONS OF RIDING PERFECTION
Born for unlimited comfort—the Genius X was designed for long-distance performance on every ride and for every type of rider.

SUPPORTIVE IN DESIGN. GENTLE IN FEEL.
A high-quality microfiber with a pleasant grip stabilizes the foot, keeps tension constant, and remains supple throughout the day.

CUSTOM FIT—TAILORED
SIDI’s anatomical TPU strap closure enhances stability and comfort by securing the foot and minimizing pressure points.

AERODYNAMIC PRECISION
Nuun 001C is a compact, aerodynamic aluminum twist closure with the SIDI grip system for quick, precise tension and maximum hold.

STIFFNESS WITH COMFORT
The R3CC carbon composite sole with a stiffness rating of 6 offers balanced power transfer and lasting comfort—on every route.