Tip 1: No Slack in the Back

• When putting your bra on start on the loosest hook as it will slacken in time, allowing you to tighten the back band as it stretches.
• Remember the band should sit firm across the back because it has to provide you with 80% of the support.
• When your bra is on take a look at your side profile in a mirror to make sure the band is sitting horizontally (see above).

Tip 2: What a strapping pair

• The straps should only provide 20% of the support.
• Before putting your straps on try tightening them to the half-way point so it's easier to judge where needs adjusting.
• Check the tension is correct by placing two fingers under the straps, they should fit comfortably without the straps falling off.

Tip 3: Do the Boob Jiggle!

• After you've gotten the back and straps correct then it's time to make sure you're positioned well in the cups.
• Then simply scoop the breast tissue out from under your arms by pulling them to the centre of the bra.
• The wires should not dig in and your breast tissue should not be spilling out.

Tip 4: Mind the Gap

• Make sure the centre of the bra is sitting flat against your chest without feeling uncomfortable.
• To check it’s laying flat try putting two fingers under the panel, if you can with ease, then it’s too loose.
• If your boobs are trying to escape and the centre panel is pushing out then the sizing is wrong.

The Golden Rules

Learn it, live it, love it!

Top 6 Fitting Problems

Problem 5: Too much space in the cup?

• If there is wrinkling in the cups or gapping, then the cups might be too big or straps are not tight enough.
• Remember though most of us have one boob bigger than the other so we may have gapping on one side.
• Tighten your straps first leaving enough room to run two fingers smoothly under. If this does not solve the problem then try going down a cup or two.

Top 6 Fitting Problems

Problem 6: Back band too tight?

• If the back band is leaving an imprint without bruising then this is normal, (i.e. like knickers and socks)
• If the band is bruising your skin then try going up a back size, if your cups are fine then remember this will need adjusting to match your new back band (if you go up a back you go down a cup for the equivalent, 30F = 32E)

Alternative bra size chart

Depending on style you may fit better in an alternative size. To find yours, enter your starting size in the chart below:

Cup Size conversion

Bra sizing varies from country to country. All Brastop stock is listed in UK sizing so please check if you need to convert your cup size in the chart below.

Back Size conversion

Bra back sizing also varies from country to country. All Brastop stock is listed in UK sizing so please check if you need to convert your cup size in the chart below.

Brief, Thong and Nightwear

Finally, knicker and nightwear sizing can vary from country to country. Find your size in our conversion chart below.

A New You

Before & After bra fitting

We showed three customers who wore ill-fitting bras how we could transform their figures with our fitting guide and tips to achive a more comfortable fit and gorgeous shape.

Read how our girls got along in our before and after fitting testimonials!

Lynsey Miles, Nutritionist

Amy Lewis, Teacher

Chloe Hutchinson, Fashion Buyer