The SH-R321 is the ultimate evolution of the Shimano road shoe, and as far as many of our staff and customers are concerned, it's the finest shoe ever produced. Soft and supple upper, supportive heel cup, mesh venting, full UD carbon sole with more venting and a unique upper design that completely wraps and envelops your foot like a burrito, Shimano proves that one shoe can have it all.

The SH-R321 upper is constructed from TEIJIN AVAIL 100 synthetic material. This buttery soft and supper supple fabric literally clones your foot. It's both stretch proof and breathable, as well as durable. You'd be hard pressed to find a better material for a contemporary cycling shoe upper. The heel cup have has a soft but supportive plastic moldings that keep your heel in place for enhanced fit and added performance. The real story here is Shimano's Surround overlapping and foot-wrapping design. The upper completely wraps your foot to provide the ultimate in support and comfort. Offset straps and a ratchet buckle with pivoting anchor allows you to customize the amount of tension and pressure you prefer in different areas of your feet.

Shimano describes the sole as ultra-rigid, lightweight hollow channel, weaved carbon fiber. We'll expand on that. The sole is constructed of cross-woven UD carbon in a beautiful matte finish. Beyond good looks, this UD sole is stiff, light and super low profile, so it keeps your foot nice and close to the pedal. A hollow channel molded into the sole provides air flow and ventilation.

A custom fit vacuum forming process is used to custom fit the upper and insole conforming the R321 to the foot like a soft leather Italian Loafer. The heat moldable Thermo-form plastic infused upper panels enable the shoe to conform perfectly to a wide variety of foot shapes. These panels provide a precise heel wrap and forefoot fit. The custom fit moldable insole also shape themselves to your foot for evenly distributed pressure and increased comfort.