hatband

English Thesaurus

1. a band around the crown of a hat just above the brim (noun.artifact)

hypernym	:	band, banding, stripe,
definition	:	an adornment consisting of a strip of a contrasting color or material (noun.artifact)

part meronym	:	chapeau, hat, lid,
definition	:	headdress that protects the head from bad weather; has shaped crown and usually a brim (noun.artifact)