
“If it’s too tight, you’re going to feel tension and it’s going to be uncomfortable,” says Ruckman. You should be able to put two fingers under the straps and bottom band. You may think you want to size down for more compression, but that puts you at risk for chafing. We recommend buying a few different sizes of the same bra to check for the best fit.

→ Finding your bra size is only the first step. Refer to the chart below to determine your cup size. For instance, if your over-the-breast measurement is 33 and the tight under-band measurement is 27, then 33 minus 27 gives you 6. Subtract the initial measurement from the previous step-not your calculated band size-from this number. “You want the tape to be loose because you want to make sure that what you put over your breast is encapsulating your tissue and not compressing it down,” says Ruckman. → Cup size / Loosely measure the fullest part of your breast, over your nipples. If your measurement is 26, for example, your band size is 30. Add four inches if it’s an even number or five if it’s an odd number. → Band size / Wearing a regular, everyday bra (or one that feels most comfortable), measure as tight as you can under your breasts.
Pro fit seamless sports bra how to#
But if you have a tape measure handy, or a long piece of string and a ruler, here’s how to measure yourself at home. “The more you can support that unsupported ligament and the fat and fiber within the breast, the less quickly it will change.” Fittingįor the best personalized service, head to your local running store or a lingerie shop to have an expert fitter take your measurements.

“What science has showed us is that no matter what breast tissue you have, at some point it will start to sag because it is not rooted to any muscle or bone,” says Ruckman. “There’s three different vortexes of that movement that any bra should be trying to achieve.” Essentially, you want a bra to control breast movement from all angles to prevent neck, shoulder, back, and chest pain, as well as underarm chafing.Īnd yes, AA and A cups, you should consider wearing a sports bra, as well.

“When we think about how we’re trying to control those motions, we’re trying to control it from the bottom-up, the top-down, the side-swing, and then we’re also trying to hold it back,” says Ruckman.
