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Free 2-3 day delivery on orders from 99 USD to Tunisia
Easy return, preprinted return label
30 days right to return
Safe payment
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SPORTS BRA 101
SPORTS BRA 101

TWIN SIZES! THE SECRET EVERY WOMAN SHOULD KNOW! 

Unlike most other garments, when it comes to the bra and the sports bra, we have to consider two dimensions; the circumference and the cup size. This makes finding the correct size somewhat challenging. To make life a little bit easier, we’ll share a life hack when it comes to sizing and sports bras! Identifying your sister size can be especially helpful when navigating between multiple different sizes in bras or sports bras.
 
Twin sizes are divided into categories of cups belonging to the same family. For example, size 70G belongs to the same cup-family as 75F, 80E, 85D and 90C. It may seem confusing, but we'll explain!

Chances are, you learned somewhere along the line that you had a bra size and if it sort of fit, that was basically the end of the story. Some may have chosen a size (let’s say 75B) as a sort of “size average” and settled for it. Studies show that as many as 8 out of 10 women wear the wrong bra size. It is likely that you are one of them. 

It may sound unlikely that you could fit a C and E cup with a D cup. But bra sizes are more like ratios. The volume of a cup size (or how much breast tissue it can hold) varies with the band size. This means that a D cup is not always a D cup. The size of the cup changes with the circumference. The size 70D has the same “cup-volume" as a 65E and a 75C.

This is especially useful to know if the circumference of your sports bra is too big or too small, but the cup fits well. If the band is too large, you need to go down one or two sizes in the circumference. If you go down one band size, you need to go up one cup size. Let’s say you try on an 85D and the cup feels right, but the circumference is too large, you will probably have a better fit with an 80E. Note that the size that will fit you the best might vary in different brands and/or styles. 

If, on the other hand, the band is too small, but the cup is correct, you need to go up in size on the band but down in cup size. Hence, if 85D feels like the correct cup size but the band is too tight, try a 90C.

If the band size is correct, i.e. the sports bra is tight on the loosest hook, but the cup is too small or large, you should simply keep the circumference, but go up or down in cup size.

To get more tips and advice on fit and size, we recommend checking out our size guide, our test panel review and our quick tips and tricks.


 

SLIPPING SHOULDER STRAPS

Preventing shoulder straps from slipping can be as simple as tightening the straps. The shoulder straps are often very elastic. Frequent use and washing affect the elasticity in the fabric, which means that over time, the straps stretch and the elasticity decreases. At first it is enough to tighten the straps, but after a while the whole sports bra may also need to be replaced.

If tightening the straps doesn’t work, it might be better to try another design. If you have narrow or sloping shoulders, we suggest looking for a sports bra with racer back. Examples of these are Compression sports bra or Rib Seamless sports bra. Another tip is to look for a sports bra where the shoulder straps can be connected in the back of the neck, such as Max Support sports bra or High Support sports bra.
 

UNDER-BOOB
If the underwire or elastic band on your sports bra ends up anywhere on the soft tissue of the breast, it's definitely time to try another size. It might be that the circumference of your sports bra is too loose. Try changing to a smaller band size and don't forget to go up a cup size at the same time. 

You’ll know you’re in the right band size when you can slip two fingers underneath the back of the band. The band should be snug on the loosest hook, so when your bra stretches out you can continue to tighten it. Head over to our size guide for more tips and trick on how to find your size! 

 

SHOULDER STRAPS DIGGING IN
The straps should not be doing the heavy lifting. The bra band should be doing most of the work. Chances are, your band is too big or has stretched out to the point that you’re not getting the support you need. Try one band size smaller. Don't forget to increase the cup size when you go down in band size. Learn more about the size system and your so-called twin size.

For those with a larger cup, we recommend a sports bra with wide shoulder straps, ideally a sports bra with the option to connect the shoulder straps in the back of the neck, such as High Support sports bra.

 

GAPING CUPS
Breasts with more volume at the bottom of the cup may experience the problem with gaping cups. It may help to tighten the shoulder straps properly. If that doesn’t work, try a smaller cup size.

If the cup feels right, but there is still a gap, we recommend a sports bra with high compression, for example Max Support sports bra or Compression sports bra. A sports bra with padding might also be a good option, for example Pad sports bra or Energy sports bra.

SIDE BOOB
If you feel that breast tissue spills over to the sides of your sports bra, it may be as simple as changing to a larger cup size and/or band size.

Another possibility is that the band is not tight enough, causing the wire to sit on your breast. Size down in the band and up in the cup. A snug band should pull the wire back and allow your breast to sit into the cup properly. For more info review the size guide.

Information about anything from sizing, twin sizes and other important and tips for your sports bra