He waswearingaflatcapand ablackjacket.
Hedoffedhisflatcapandsmiledpleasantly.
We werejoinedby ashortman with aflatcap.
He waswearingaflatcapmade oftweed.
Herodetowards them on hisbicycle,raisinghisflathatingreeting.
She had abrown,cordflathaton herhead.
Sheworeaneye-catchingpinkflathat.