undergarment
foundation garment
http://id.loc.gov/authorities/subjects/sh85051047
https://en.wikipedia.org/wiki/Category:Foundation_garments
https://en.wikipedia.org/wiki/Foundation_garment
https://www.wikidata.org/wiki/Q5474505
An undergarment designed to impermanently alter the wearer's body shape, to achieve what some view as a more fashionable figure..
TT677
foundation garments
shapewear
shaping underwear