Boom Bra


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

- Plya Compression (polyester / spandex)
- adjustable, padded straps
- hook and eye closure
- molded cups
- compression level: 3


• 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 4 reviews
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!

Comfort and Support? Yes please!

If the Queen bra and the Sister bra got together and brought their best features the BOOM bra would be that union. While the Queen and Sisters are both supportive, the Boom brings that and being light weight! The material stays light even after a workout. I love the straps giving my shoulder freedom to move about and stay hidden in a racer back tank. The mesh detail at the top gives breathability and keeps the girls tucked inside plus a touch of flair. I will be ordering more!


I have yet to sport a Oiselle item that disappoints- and the Boom Bra just upped the birds bar. Not sure how they managed to do it, but the Boom provides support allowing me to focus on the movement at hand (my running, and not my chest!) and NOT making me feel restricted, distracted, or self-conscious. I am a 32D in Brooks, and the sports bras I’d tried from Title Nine (along with my daily bras) and got this in the same size, and would say it is true to size. I cannot emphasize how ecstatic I am to have finally found something that doesn’t feel like I am stuffing my breasts into and praying I don’t get a bruised eye when I go out for a run or do a speed session. I will most definitely be adding additional colors of this item to have on hand. I’ve now done a couple 5 milers in this, and just did a 10 mile run today— and no chafing either! Head up, wings out… (*Boomtastic is what I titled my first run on Strava after wearing this for the first time. I was a little excited to say the least.)