Boom Bra

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3 in stock

Our wear testers are calling this a new high support favorite. And high support never looked so good - with an elegant design front and back. The chest band includes our signature ribbed elastic, and plush hook and eye closure for adjustability. Wide elastic straps in the back provide an even more custom fit. The straps are padded, to avoid digging in, and the molded cups include perforation for heat release, while holding you securely through any kind of movement, from high impact to low.

How to Determine Your Sports Bra Size


• Adjustable, padded straps
• Hook and eye closure
• Molded cups
• Compression level: 3


• Plya Compression (polyester / spandex)

Learn more on our Fabrics page.

At Oiselle, our vision is to help all women feel strong and free through the joy of running. Our mission is to design great product, build the sisterhood, and improve the sport. May we all experience the transformative power of sports and community.

Customer Reviews

Based on 6 reviews

This bra is decent. It fits okay and has good support. It's hot and thick though. Mine also had a huge part of it unravel after wearing and washing one time (without drying). So I'm concerned about how it will hold up long term, especially given how expensive it is.

Thank you for your feedback on our Boom Bra, K.B.! Our customer care team will reach out to address your concerns and to make this right for you, and we will share your experience with our Design Team.

New Go-To Sports Bra

This bra combines molded cups with great support - no more losing cups in the laundry cycle! I wear a 38C in this and have found the Boom Bra support comfortable for running. I did cross the straps in the back for extra support right away, and have left them that way through washing cycles.

Almost perfect

I was very intrigued by this sports bra on the website, as I've been looking for a running bra with good ventilation in warmer weather. It does have better ventilation than most sport bras, with the mesh on top AND bottom and ventilated cups, which is a huge bonus, but ultimately the bra still had more bounce than I'm comfortable with when running, so I returned it. It would be useful in lower impact activities in warm weather.

Cute and supportive!

Boom bra rocks! Very cute in white with the black accents. Also supportive for me as a 36DD without chafing!