Classic design with the Shimano trademarks: Innovation Quality & Style Tough stretch resistant synthetic leather & mesh Triple asymmetrical straps prevent uncomfortable pressure on the foot A snug durable breathable shoe which transfers power to the pedal & comfort to the rider Shimano Dynalast secures the foot into the ideal ergonomic position for a more efficient up stroke Shimano Dynalast technology sole Low profile Lightweight glass fibre reinforced-polyamide sole SPD & SPD-SL cleat compatible Weight 461g for a pair in size 40