Shimano SH-R078 Road Shoe (48/12.3) UPPER - Tough stretch resistant synthetic leather and mesh Triple asymmetrical straps prevent uncomfortable pressure on foot A snug durable breathable shoe which transfers power to the pedal and comfort to the rider LAST - Shimano Dynalast secures the foot into the ideal ergonomic position for a more efficient up stroke SOLE - Shimano Dynalast technology sole