Short for brassiere (/brəˈzɪər/, UK /ˈbræsɪəˈr/ or /ˈbræzɪəˈr/), is a form-fitting undergarment suspender designed to support or cover the wearer's breasts. Swimsuits, camisoles and backless dresses may have built-in breast support.
Bras are complex garments made of many parts. Most come in 36 sizes; standards and methods of measurement vary widely. Up to 85% of women may be wearing the wrong size .