The Cappello Alpino is the most distinctive feature of the Italian Army's Alpini troops' uniform. The Alpini are light Infantry troops, specializing in mountain combat. Initially, the Cappello was only issued to the Alpini, but soon the Cappello was adopted by the Alpini Corps' support units like artillery, signals, and engineers. Today the Cappello is issued to members of 15 Army regiments, 3 battalions and various high commands. Thanks to the black raven feather, which is carried on each Alpini soldier's Cappello, the Alpinis are known as Le Penne Nere ("The Black Feathers") in Italy. A nickname the Alpini quickly adopted for themselves.
On 7 June 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 sides, 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 Cappello. Inside the Cappello has a two-inch black leather band where Cappello and head meet.
Each Cappello carries symbols which identify the wearer's rank, unit and specialization:
Each soldier is issued with a black raven feather, which he will carry at all times on the Cappello Alpino. When in combat the feather will be placed on the left side of the helmet. Officers above the rank of captain originally wore a white eagle feather, which has been replaced in later years by a white goose feather. Non-commissioned officers and officers up to the rank of captain continue to carry a black eagle feather. The feather is approximately 10-12 inches long and is carried with a slight backward and inbound inclination on the left side of the Cappello.
The fregio is a coat of arms indicating the wearer's regiment. It is black for soldiers, and golden for officers; both variants are sewn to the front of the Cappello. Today, soldiers serving on a permanent basis are issued the golden variant of the fregio too. Each fregio carries an eagle with spread wings on top and below symbols, which indicate the wearer's regiments specialization (i.e. artillery regiment, logistics regiment,...) and at the centre of the fregio a half-inch circle with the regiment's number.
The symbols indicating a regiment's specialization are:
The nappina is a small piece of wood, on which a tuft of coloured wool threads is sewn. The piece of wood contains a little hole, in which the feather is sheathed. Also, a thin bent wire juts out from the wood to allow the nappina to be latched onto the left side of the Cappello Alpino. The nappina were first issued to distinguish between the battalions in an Alpini regiment:
The colours are the same as found on the Italian flag of the Kingdom of Italy. Soldiers of the Mountain Artillery units were issued a green tuft with a black patch in the middle onto which the number of their battery was written in yellow. Officers below the rank of general and non-commissioned officers wear a golden-coloured metal wrap and generals a silver-coloured metal wrap instead of the nappina. Later further nappinas were issued in various colours and forms.
For an overview of the nappinas of all Alpini battalions see the main article about the Alpini.
Today the following units continue to carry the nappina:
The Alpini, not assigned to one of the traditional Alpini battalions, carry either a blue nappina or a blue nappina with a black roundel on which the type of superior unit is inscribed.
| Nappina | Description | Units | Italian unit name | |
| blue, black roundel, white "CA" | Support units of the 4th Alpine Army Corps
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| blue, black roundel, white "TA" | Support units of the Alpine Troops Command (COMALP)
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| blue, black roundel, white "B" | Support units of the Alpine brigades
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| blue, black roundel, white "D" | Brigade Deposits (1934-1950s) | |||
| blue, black roundel, white "R" | Support units of the Alpini regiments
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| blue, black roundel, white "C/C" | Anti-tank Companies of the brigades (1975–1991) | |||
| blue | Schools and Training
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The Mountain Artillery units of the Alpine troops carry a green nappina with a black or yellow roundel on which the number of the battery or the type of superior unit is inscribed. The units in service, which carry an Artillery nappina, are the:
| Nappina | Description | Units | Italian unit name | |
| Green, black roundel, yellow number | Mountain Artillery Batteries (1934–today)(the number corresponds with a battery's number) | |||
| Green, black roundel, yellow "D" | Regimental Deposits (1934–1945) | |||
| Green, black roundel, yellow "RC" | Headquarter units (Italian: Reparto Comando)
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| Green, black roundel, yellow "CG" |
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| Green, yellow roundel, black "CA" | Artillery units of the 4th Alpine Army Corps
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| Green | Artillery Schools and Courses |
The Engineer and Signal units of the Alpine troops carry an amaranth nappina; units that supported the 4th Alpine Army Corps directly had "CA" in white inscribed on the nappina.
| Nappina | Description | Units | Italian unit name | |
| Amaranth, black roundel, white number | Mixed Engineer Companies of the Alpine Divisions (1935–1939)(the number corresponded with the companies number) | |||
| Amaranth | all units of the Alpine Engineers Corps (1939–1945)
Engineer and Signal units of the Alpine Brigades (1949–2001)
Engineer and Signal Regiments
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| Amaranth, black roundel, white "CA" | Engineer and Signal units of the 4th Alpine Army Corps
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Military logistics units (Transport, Medical, Veterinary, Administrative, Commissariat and Maintenance units) carry a violet nappina; units that supported the 4th Alpine Army Corps directly had "CA" in white inscribed on the nappina.
| Nappina | Description | Units | Italian unit name | |
| Violet | Logistic Services of the Alpine Divisions(1935–1943)Logistic Services of the Alpine Brigades (1949–2001)
Logistic Regiments
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| Violet, black roundel, white "CA" | Logistic services of the 4th Alpine Army Corps
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| Nappina | Description | Units | Italian unit name | |
| Yellow | Regimental commands and deposits of Alpini regiments until 1934 | |||
| Red, black roundel, yellow number | Mountain Artillery Batteries (1910–1934)(the number corresponded with a battery's number) |
Officers carry the grade displaying their rank on the left side of the Cappello Alpino. Instead of the nappina, the feather is held in place by a silver or golden-coloured metal wrap. Non-commissioned officers and officers up to the rank of captain carry a brown eagle feather and officers starting with the rank of major carry a white goose feather, instead of the standard black raven feather.