flat cap
cabbie cap,
gatsby cap,
longshoreman's cap,
cloth cap,
scally cap,
Wigens cap,
ivy cap,
derby hat,
jeff cap,
duffer cap,
duckbill cap,
driving cap,
bicycle cap,
Irish cap,
newsboy cap,
crook cap,
Vergon hat,
Joao's hat,
sixpence,
paddy cap
부르는 이름이 다양하나 그냥 flat cap 이라 하면 될 법하다.