neckband

nouns

a band around the collar of a garment
neckband
is a part of
a crocheted or knitted garment covering the upper part of the body
jumper, sweater
is a type of (narrower)
an adornment consisting of a strip of a contrasting color or material
band, banding, stripe
a band that fits around the neck and is usually folded over
collar, neckband
necklace that fits tightly around a woman's neck
choker, collar, dog collar, neckband