A "bandeau" is a narrow strip of fabric or material that is worn around the head or across the chest to hold the hair back or provide support for the breasts. Full definition
Pair with bandeau top underneath, Long sleeves, mini fringe at hem and sleeve hems. (graysonshop.com)
Featuring a flattering bandeau neckline with ruched detailing in a dreamy nude, style this with killer heels and a statement clutch girl to complete the look. (prettylittlething.us)
To keep this look as streamlined as possible and not to alter those lines I went with a strapless bandeau style bra, which works well with the high waist shape of the skirt. (harperandharley.com)