Sidi Men’s Alba 2 Road Cycling Shoes – Black/Red – SRS-AL2-BKRD

UPPER: POLITEX. SOLE: MILLENIUM 4 CARBON COMPOSITE SOLE. TECNOLOGY: SOFT INSTEP 3 SYSTEM TECNO 3 SYSTEM. SIDI HEEL CUP. REPLACEABLE HEEL PAD. The MILLENNIUM 4 CARBON COMPOSITE SOLE features injected carbon fiber in a matrix of Nylon, providing more rigidity than a standard nylon sole. The MILLENNIUM 4 CARBON COMPOSITE SOLE is also more durable, completely non water-absorbent and mechanically stable, meaning it’s less susceptible to changes in stiffness resulting from aging, prolonged usage, and changes in temperature or humidity. An anti-slip toe insert and replaceable polyurethane heel pad are incorporated into the MILLENNIUM 4 CARBON COMPOSITE SOLE, for walkability. The MILLENNIUM 4 CARBON COMPOSITE SOLE uses a standard 3-hole drilling pattern for compatibility with the best pedal systems available, and includes a printed 10 mm lateral and fore/aft cleat alignment scale on the sole as well as the Look Memory Eyelet for easy cleat alignment and replacement.