What type of wire is used in bras?

Heavy gauge (1/8″ wide) coated spring steel underwire for bras, bustiers, corsets or clothing. These wires are considered a regular, daily wear length, which may be shorter than some wires, but are too long for plunge or demi style wires. When replacing a wire, please check length measurements.

Are bra wires made of nickel?

Some of the wires were found to contain nickel on dimethylglyoxime testing and others were noted to have plastic underwires. The patient was instructed to avoid nickel, including underwires, and her dermatitis significantly improved.

Is the wire in your bra metal?

An underwire is a flat piece of metal that has paint-coated tips. It’s not rigid but is sprung and designed to flex and adapt to the body shape. Its main purpose is to provide shape and support to the bra.

Why do wire bras hurt?

Why does my underwire hurt? A bad fit – So the most common reason for your underwire to hurt is that it’s a bad fit. You may simply be wearing the wrong size. Your bra should have a snug fit but not be uncomfortably tight and the underwire should encase the entirety of the breast tissue.