hatband
nounUK /ˈhæt.bænd/
US /ˈhæt.bænd/
A hatband is a strip of material that goes around the bottom of a hat.
He tied a leather hatband around his cowboy hat.
OTHER MEANINGS
2. A decorative band worn around the base of a crown or hat as an ornament.
The hatband was studded with small silver beads.
3. A band inside a hat that fits against the head to keep it in place.
The sweat-soaked hatband made the hat uncomfortable.
4. A band used to hold a hat on, such as a chin strap.
She fastened the hatband under her chin on the windy day.