If you don't understand what that means, ask the guy with the beret at the bar.
From the businessweek.com
At the back of the meeting room sat a veteran in a black beret and a green shirt.
From the thenewstribune.com
The well known green beret was introduced for the Royal Marine Commandos in 1942.
From the en.wikipedia.org
Entree, cafe, a la mode, hotel, beret and reservoir are some everyday examples.
From the stltoday.com
The charismatic president often continued to wear his paratrooper's red beret.
From the bbc.co.uk
Bundling up has never looked so stylish in knitted hats, slouchy and beret styles.
From the sfgate.com
This distinguishes it from other folk bonnets such as the beret, for instance.
From the en.wikipedia.org
I've just stopped short of putting a beret on and a string of onions round my neck.
From the telegraph.co.uk
Like the men around him he has a green beret, having completed the commando course.
From the guardian.co.uk
More examples
A cap with no brim or bill; made of soft cloth
A beret (or) (Basque: txapel; and Portuguese/Spanish: boina), is a soft, round, flat-crowned cap, usually of woven or hand-knitted wool or wool felt,or these days often acrylic fiber.
A type of round, brimless cap with a soft top and a headband to secure it to the head; usually culturally associated with France
(Berets) of various types and colors began being worn unofficially as early as 1954 on the unit's field exercises in Germany and at Fort Bragg and Camp Mackall, North Carolina.
Round soft hat often made from felt, but can be knitted. Popular during the first and second world wars and is still a item of military uniform today. It s most noted revival was in the late 1960s and 1970s. examples
A flat soft cloth hat sometimes used as part of a band uniform especially by sousaphone players since the sousaphone bell prevents them from wearing shakos.
A visorless usually woolen cap with a tight headband and a soft full flat top
Brimless, unvisored, tam-effect cap of felt or fabric.
A soft, round cap, usually made of a wool felt, with a flat crown