Oporto. Height increasing shoes. The Oporto model is an icon of Masaltos.com. It is a classic blucher with a smooth upper, suitable for wearing on special occasions. Made of boxcalf leather with lace closure. Leather sole and ultra-reinforced heel. It is the perfect height shoe for any event. Take care of them by scrubbing with a transparent brush and then with a polishing sponge to revive their shine.