An underwire that pokes out is one of the most annoying bra problems—and one of the most preventable.
Here’s why it happens, how to fix it, and how to make sure it never happens again.
Why Underwire Pokes Out
The #1 cause: The cup is too small.
When the cup is too small, it puts pressure on the underwire, forcing it to bend and eventually poke through the fabric.
Other causes: Improper washing (especially the dryer), worn-out fabric, the wire is too narrow for your breast shape, the bra is old and the fabric has weakened.
How to Fix an Underwire That’s Poking Out
For a quick fix:
Apply a small piece of moleskin or fabric patch over the poking wire
This creates a barrier between the wire and your skin
It’s a temporary solution—not a permanent fix
For a more permanent fix:
Carefully cut a small slit in the fabric at the end of the wire channel
Remove the wire entirely
Sew the slit closed
You now have a wireless bra!
How to Prevent Underwire Poking Out
Do
Don’t
Hand-wash underwire bras
Put underwire bras in the dryer
Use a lingerie bag in the washing machine
Twist or wring underwire bras
Air dry underwire bras
Use fabric softener (weakens fabric)
Use the gentle cycle
Overload the washing machine
Fasten hooks before washing
Wash with heavy items (like jeans)
When to Replace a Bra
Sign
Action
Underwire poking out
Replace or remove the wire
Fabric is worn or thinning
Replace the bra
Elastic is stretched
Replace the bra
Underwire is bent
Replace the bra
Bra is 6–12 months old
Consider replacing
Pro Tips
Never put underwire bras in the dryer—heat damages the elastic and weakens the fabric
Use a lingerie bag to protect bras in the washing machine
Hand-washing is the best way to extend the life of underwire bras
Replace bras every 6–12 months with daily wear
Conclusion
Underwire poking out is preventable with proper care and the right fit. If it happens, you have options—from quick fixes to permanent solutions.