If your bra’s underwire has broken or bent, replacing it is easy – but only if you have the right shape and size! In this guide, I’ll show you how to match a replacement underwire to your bra and how to use our free printable underwire chart to ensure a perfect fit.
Option 1: The Best Way to Identify Your Underwire Shape and Size
Underwires come in different shapes and curvatures, which affect the fit and support of your bra. Common shapes include:
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Balcony underwires (a demi-cup wire, suited to balcony and balconette bras)
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Classic underwires (balanced curve, great for most bras)
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Plunge underwires (best for plunge bras which have a lower centre-front)
To easily find your match, lay your old underwire on top of our free printable underwire chart and compare its shape and size to our range of underwires.
🔗 Download the underwire chart
(Make sure to print at 100% scale (select "do not scale" on your printer settings) so the sizes remain accurate!)
Option 2: Measure the Underwire Length
Use a flexible ruler or measuring tape to measure the length of your underwire from tip to tip. Compare your measurement to the measurements provided in each of our underwire listings to find the closest match.
Option 3: Send us Your Broken Underwire in the Post
If you don't have access to a printer we also accept wires in the post and we can check on your behalf if we have a suitable match for you. This service is free of charge, simply get in touch with us to arrange!
Order Your Replacement Underwire
Once you’ve found the best match, grab a set of high-quality underwires from our shop. These underwires always sell fast, so don’t wait too long!
Final Thoughts
Finding the right underwire doesn’t have to be tricky. With our printable chart, you’ll have your favourite bras back in action in no time. Need help replacing your underwire? Check out our guide on how to replace a broken underwire!
Happy sewing!
Kayleigh x