Finding the right bra begins with knowing your size—but you might be surprised to learn that your current bra size isn't necessarily the right one.

At La Lingerie, we've spent more than 17 years helping women across Canada discover bras that truly fit. One of the most common things we hear is, “I've been wearing the same size for years.” Yet our experience has shown that our bodies change over time, and so do our bra-fitting needs.

Whether you've recently experienced weight changes, pregnancy, menopause, or simply want more comfort, measuring yourself is the first step toward finding a bra you'll actually enjoy wearing.

Why Your Bra Size Changes Over Time

Your bra size isn't permanent. Hormonal changes, aging, pregnancy, exercise, and even changes in muscle tone can affect both your band size and cup size.

Many women continue buying the same size they've always worn without realizing that a different size—or even a different bra style—could dramatically improve comfort and support.

What You'll Need

• A soft measuring tape
• A non-padded bra (or no bra if you're comfortable)
• A mirror
• A few minutes of uninterrupted time

Step 1: Measure Your Band Size

Wrap the measuring tape snugly around your rib cage, directly beneath your bust.

• Keep the tape level.
• Exhale normally.
• Do not pull the tape too tightly.

Record the measurement in inches.

Step 2: Measure Your Bust

Measure around the fullest part of your bust while keeping the tape comfortably loose.

Make sure:

• The tape remains parallel to the floor.
• Your arms stay relaxed.
• The tape doesn't compress your breast tissue.

Step 3: Calculate Your Cup Size

Your cup size is determined by the difference between your bust measurement and your band measurement.

Difference	Cup Size
1"	A
2"	B
3"	C
4"	D
5"	E
6"	F

Keep in mind that sizing can vary between brands and styles, particularly when comparing North American and European brands.

Remember: Size Is Only Part of the Equation

After nearly two decades helping women find the right bra, we've learned that size alone doesn't guarantee a perfect fit.

Breast shape, spacing, fullness, and personal comfort all play an important role.

For example, two women who both wear a 34D may find that entirely different bra styles fit them best.

Common Measuring Mistakes

• Measuring while wearing a heavily padded bra
• Holding the tape too loosely
• Pulling the tape excessively tight
• Ignoring changes in your body over time
• Assuming every brand fits the same

How Should a Properly Fitted Bra Feel?

A well-fitting bra should:

• Stay level around your rib cage
• Keep straps comfortably in place
• Fully contain your breast tissue
• Provide support without pinching
• Feel comfortable throughout the day

If you're constantly adjusting your bra, it's usually a sign that something isn't fitting correctly.

Why Premium European Bras Can Feel Different

Many of the European brands we carry at La Lingerie are designed with exceptional attention to fit, support, and craftsmanship.

Brands such as Corin, PrimaDonna, Marie Jo, Simone Pérèle, and Empreinte often provide a more refined fit than mass-produced bras, making them favourites among women seeking long-lasting comfort.

Our Recommendation

Once you've measured yourself, don't focus solely on the number. Consider your lifestyle, breast shape, and comfort preferences.

If you're looking for a lightweight everyday bra, breathable spacer bras such as the Virginia by Corin are an excellent place to start.

Explore the Virginia Collection →

Final Thoughts

Finding your bra size is about more than measurements—it's about finding a bra that supports you comfortably through every part of your day.

At La Lingerie, we're proud to have helped Canadian women discover better-fitting bras for over 17 years. We believe every woman deserves lingerie that feels as good as it looks.

Frequently Asked Questions

How often should I measure my bra size?

We recommend checking your measurements every 6–12 months or after major life changes such as pregnancy, weight fluctuations, or menopause.

Can two bras in the same size fit differently?

Yes. Different brands and bra styles can fit differently, even if the size on the label is the same.

Should my bra band be tight?

Your band should feel snug and supportive without digging into your skin or riding up your back.

Do European bras fit differently?

Many European lingerie brands are known for precise sizing, premium materials, and designs that prioritize long-term comfort and support.