The Pearl Izumi P.R.O. Leader Road shoe is the perfect interface between athlete and pedal. Power Plate unidirectional carbon sole, with low 6.5mm stack height, increases stiffness for optimal support, power and efficiency. The seamless Second Skin upper is just .9mm thick and adapts comfortably to your unique foot shape to eliminate hot spots and provide superior breathability. The Boa retention system delivers a semi-custom fit by offering even foot retention across the foot. Power Web easily conforms to your foot, but keeps you bolted to the pedal for maximum efficiency, while 1.1 Insole System optimizes arch support. 245 grams.