Noun
a cap with a flat circular top and a visor
Source: WordNetOfficers had a variety of headgear, including a service cap, garrison cap, and beret (linen in summer and wool in winter). Source: Internet
IDF personnel generally wear berets in lieu of the service cap and there are many beret colors issued to IDF Servicemen and Women. Source: Internet
S." pins on the lapels, with a silver ring surrounding on those of enlisted members), matching trousers, and either a service cap or flight cap, all in Shade 1620, "Air Force Blue" (a darker purplish-blue). Source: Internet