Cancel

Women’s Sports Bras

Moisture wicking sports bras in breathable fabrics for every type of workout from low to high impact.

Filter By: (0)

Sort By:

Sports bras should hold you in place without squeezing the breath out of you. At Thirdlove, we design sports bras for women around fit first, so you get the support your workout needs in a size that actually fits. Below, you'll see how to match support to your activity, what makes a bra supportive, and how to check your fit.

Which Sports Bra Support Level Do You Need for Your Workout?

You need more support the more your workout makes you bounce. Reach for a low impact sports bra for gentle movement, medium impact for moderate cardio, and a high impact sports bra for running and jumping. If you're torn between two, choose by impact level and go with the higher support.

Use this guide to match your activity to a Thirdlove style.

Support Level	Best For	Thirdlove Style
Low	Yoga, Pilates, walking, stretching	Thermoregulating TempSync™ Light Pullover Bra
Medium	Cycling, strength training, hiking	Thermoregulating TempSync™ Sports Bra
High	Running, HIIT, CrossFit, jump rope	Kinetic Adjustable Sports Bra

What Makes a Sports Bra Supportive?

A supportive sports bra limits breast movement through its cups, band, and straps working together. The band carries most of the load, while the cups and straps keep everything stable as you move. When one part fits poorly, you'll feel it as extra bounce or rubbing.

Compression vs. Encapsulation

Compression presses breast tissue against your chest, which works for lighter activity but can create a uniboob look. Encapsulation separates and holds each breast in its own cup for more control. The Kinetic Adjustable Sports Bra combines both with wireless built-in cups, so you get high support with no uniboob.

Adjustable Straps and Back Closures

An adjustable sports bra lets you fine-tune support to your body, and it's easier to take on and off. Our Kinetic activewear is made for high-impact training, and its sports bra gives you three ways to adjust.

Adjustable straps: Set the length so your straps stay put through every rep.
Convertible x-back: Wear the straps crossed, similar to a racerback, when you want extra support.
Hook-and-eye back closure: Unhook the back instead of peeling a sweaty bra over your head, so you never get stuck.

What Is the Best Sports Bra for Large Busts?

The best sports bras for large busts come in bra sizes, separate each breast, and adjust at the straps and back. The Kinetic Adjustable Sports Bra checks all three, which is why it carries our "Loved by Larger Cups" badge. It also earned a 2026 Shape Fitness Award.

If alpha sizing has never matched your cup, knowing your sports bra size in band and cup measurements makes shopping simpler. Our Active line runs XS–3X and also offers bra-sized styles with half cups. That means plus size sports bras and fuller cups both get closer to a true fit.

How Do Kinetic and TempSync™ Sports Bras Compare?

Kinetic sports bras are built for high-impact bounce control, while TempSync™ styles focus on keeping you cool through light and medium workouts. Kinetic is a wireless sports bra made with moisture-wicking fabric, so it suits long runs and HIIT. Choose TempSync™ when heat and sweat are what slow you down.

TempSync™ pieces use 37.5® tech, which relies on naturally occurring volcanic-mineral particles to help manage body heat and moisture. It speeds up sweat evaporation, which makes these our go-to cooling bras for hot yoga or summer walks. The TempSync™ Sports Bra is adjustable with medium support, and the Light Pullover Bra slips on for light-support days.

How Should a Sports Bra Fit?

A sports bra should feel secure everywhere it touches you, with nothing gapping, digging, or riding up. Run through this quick check each time you try one on.

Band: It sits snug and level, with room for about two fingers underneath.
Straps: They feel secure without digging into your shoulders.
Cups: They fully contain your breasts with no gaps or spillage.
Hop test: Jump a few times and make sure everything stays in place.

Still unsure? Chat with a fit stylist, and remember you're covered by Free Returns & Exchanges if you need a different size.

What Should You Wear With Your Sports Bra?

Pair your sports bra with workout leggings or bike shorts made for the same kind of movement. The Kinetic Performance Pocket Legging, a 2022 SELF Activewear Award winner, matches the Kinetic bra for high-intensity days. The TempSync™ Legging and Bike Short pair with the TempSync™ Sports Bra, also sold as a Sports Bra + Leggings bundle.

Mix and match our women's activewear to build a set you'll reach for every week. Not sure which size to start with? Our Fitting Room quiz recommends a size and style for you, so tap FIND MY FIT to get started.

Frequently Asked Questions

Is it okay to wear a sports bra every day?

Yes, it's fine to wear a sports bra every day as long as it fits well and doesn't dig or rub. Choose a breathable, lighter-support style for long days and save high-support styles for your workouts.

What's the best workout bra for daily wear?

A light-support pullover is the best pick for daily wear because it's comfortable and easy to move in. The Thermoregulating TempSync™ Light Pullover Bra also helps manage body heat and moisture through a busy day.

How often should you replace workout bras?

Replace a workout bra once it stops feeling supportive, such as when the band stretches out or the fabric loses its shape. If you're tightening the straps more than usual to get the same hold, it's time for a new one.

Can you sleep in a workout bra?

Yes, you can sleep in a workout bra if it's soft and doesn't feel tight. Pick a light-support, wireless style for bed and skip snug, high-compression options overnight.

What brand has the best sports bras?

The best sports bras come from a brand that fits your exact size, and Thirdlove offers bra-sized sports bras with half cups plus XS–3X styles. Add our Fitting Room quiz and live fit stylists, and you'll find support matched to your body and your workout.