Reading Time: 6–7 Minutes

Reviewed by: Her Store Fit & Style Experts

Last Updated: July 2026

Key Takeaways

• Wearing the wrong bra size can affect your comfort, posture, and confidence.
• Most bra fitting problems are easy to identify and fix.
• A properly fitted bra should feel supportive without digging into your skin.
• Your bra size can change over time, so regular measurements are important.
• Replacing old or worn-out bras can significantly improve comfort.

Introduction

Have you ever found yourself constantly adjusting your bra throughout the day? Do your straps slip off your shoulders, or does your bra leave painful marks on your skin?

If so, you're not alone.

Many women wear the wrong bra size without realising it. A bra that doesn't fit properly can lead to discomfort, poor posture, shoulder pain, and even make your clothes fit less comfortably.

The good news is that these issues are usually easy to fix once you know what to look for.

Here are ten common signs that your bra isn't fitting correctly—and what you can do about it.

Why This Topic Matters

A well-fitting bra does much more than support your bust. It improves your posture, enhances your silhouette, and helps you feel comfortable from morning to night.

An ill-fitting bra can cause:

• Shoulder and neck pain
• Back discomfort
• Skin irritation
• Poor breast support
• Reduced confidence
• Constant adjustments throughout the day

Recognising the signs early can help you find a better fit and enjoy all-day comfort.

1. Your Bra Straps Keep Slipping

If you're constantly pulling your straps back onto your shoulders, your bra may not fit correctly.

Why it happens

• Band is too loose
• Straps have stretched over time
• Bra style isn't suitable for your shoulders

How to fix it

Adjust the straps first. If they still slip, try a smaller band size or a bra with adjustable or closer-set straps.

2. The Band Rides Up Your Back

Your bra band should sit straight and level around your body.

If it rides up, the band is usually too loose.

How to fix it

Choose a smaller band size while adjusting the cup size accordingly.

A supportive band provides most of your bra's support—not the straps.

3. Your Breasts Spill Out of the Cups

If breast tissue spills over the top or sides of the cups, your cups are too small.

This not only looks uncomfortable but also reduces support.

How to fix it

Choose a larger cup size while keeping the correct band size.

4. The Cups Have Gaps or Wrinkles

Empty space inside the cups usually means the cups are too large or the bra style doesn't suit your breast shape.

How to fix it

Try a smaller cup size or a different bra style, such as a balconette or T-shirt bra.

5. The Underwire Digs Into Your Skin

The underwire should sit comfortably around your breast tissue—not on it.

Painful wires usually indicate the wrong cup size or incorrect fit.

How to fix it

Try a larger cup size or consider a non-wired bra for everyday comfort.

6. Your Bra Leaves Deep Red Marks

Some light marks are normal, but deep, painful marks are not.

They often indicate that your bra is too tight.

How to fix it

Check both your band and cup size to ensure you're wearing the correct fit.

7. Your Shoulders Hurt

Many women believe tight straps provide better support.

In reality, the band should provide most of the support.

Painful shoulders often mean your straps are doing too much work.

How to fix it

Loosen the straps and ensure the band fits snugly around your ribcage.

8. You Constantly Adjust Your Bra

If you're pulling your bra down, lifting the cups, or fixing the straps throughout the day, it's a clear sign something isn't fitting correctly.

How to fix it

Get re-measured and choose a bra designed for your body shape and daily activities.

9. Your Bra Feels Uncomfortable by the End of the Day

A well-fitting bra should remain comfortable from morning until bedtime.

If you're desperate to remove it as soon as you get home, your fit may be wrong.

How to fix it

Choose breathable fabrics, the correct size, and a style that suits your lifestyle.

10. Your Bra Is More Than a Year Old

Even high-quality bras lose their elasticity with regular wear.

Old bras no longer provide the support they once did.

How to fix it

Replace frequently worn bras every 6–12 months, depending on usage and care.

Her Store Expert Tips

Own More Than One Everyday Bra

Rotating between bras helps them maintain their shape and elasticity.

Wash Bras Carefully

Hand washing or using a lingerie bag on a gentle cycle helps extend their lifespan.

Fasten on the Loosest Hook First

As the bra naturally stretches over time, you can move to the tighter hooks.

Get Measured Regularly

Weight changes, pregnancy, breastfeeding, menopause, and ageing can all affect your bra size.

Common Mistakes to Avoid

• Choosing a bra based only on cup size
• Ignoring the band fit
• Wearing stretched-out bras
• Tightening straps instead of checking the band size
• Buying the same size without measuring
• Wearing sports bras all day for everyday use
• Not replacing worn bras

Buying Guide

Choosing the right bra depends on your lifestyle and daily needs.

Everyday Bra

Perfect for all-day comfort and support.

T-Shirt Bra

Creates a smooth silhouette under fitted clothing.

Sports Bra

Essential for exercise and high-impact activities.

Full Coverage Bra

Provides excellent support for fuller busts.

Nursing Bra

Designed for comfort and convenience during breastfeeding.

Non-Wired Bra

Ideal for relaxed everyday wear.

Choose bras that suit both your body shape and daily routine.

Product Recommendations from Her Store

Explore Her Store's carefully selected collection designed to keep you comfortable and supported every day.

Recommended collections include:

• Everyday Comfort Bras
• T-Shirt Bras
• Full Coverage Bras
• Cotton Bras
• Seamless Bras
• Sports Bras
• Nursing Bras
• Non-Wired Bras
• Lightly Padded Bras
• Shaping Bras

Visit your nearest Her Store or browse our online collection to find your perfect fit.

Frequently Asked Questions

How do I know if my bra fits correctly?

Your band should sit level around your body, the cups should fully contain your breasts, and the straps should stay comfortably in place without digging into your shoulders.

How often should I replace my bras?

Most everyday bras should be replaced every 6–12 months, depending on how often they're worn and washed.

Can my bra size change?

Yes. Weight changes, pregnancy, breastfeeding, hormonal changes, and ageing can all affect your bra size.

Why do different brands fit differently?

Each brand has slightly different sizing, cup shapes, and designs, so trying different styles is recommended.

How often should I measure my bra size?

At least once a year or whenever your body changes significantly.

Conclusion

Your bra should make you feel comfortable, supported, and confident—not uncomfortable or frustrated.

If you've noticed any of these signs, it may be time to check your measurements and update your bra collection.

The right fit can make a remarkable difference to your daily comfort, posture, and confidence.

Find Your Perfect Fit at Her Store

At Her Store, we're committed to helping every woman find the perfect bra for her body and lifestyle.

From everyday comfort to sports, nursing, and full-coverage bras, our carefully selected collection is designed to provide the support and confidence you deserve.

Visit your nearest Her Store or shop online to discover your perfect fit today.