On June 7, 1883, the "Fiamme Verdi" (green flames) collar patches were introduced thus making the Alpini officially a specialty within the Italian infantry corps. At the same time the issuing of the Cappello Alpino began. At first the hat was a round black felt hat, nicknamed bombetta (bowler hat), but with the introduction of the new green-grey uniform in 1910 the hat was changed to the distinctive grey felt hat that is still retained today. The Cappello Alpino is made of grey felt a quarter of an inch thick. In the front the rim is flattened to protect the face from rain and snow. On the left and right side four small metal encrusted holes allow for an exchange of air. Around the lower half of the round top section a green-grey leather band and for officers a golden braid encompasses the