Adds extra support and lift for the breasts using a thin wire sewn into the base of the cups. Especially desirable feature for larger breasted women.

The metal or silicone shaped "U" that resides under the cup of the bra and provides support.

Bras with sewn-in molded wiring that runs underneath the breast in each bra cup. This support feature helps to lift, separate and shore up the bustline for better shape and extra support- especially for full-figured women. There are many different types of materials used in underwire bras today. The underwire can now be a flexible wire, a plastic coated piece of metal, or a molded plastic shape.