all-groups
PRIMARY | Black
Black
Black
all-groups
PRIMARY | Black
Black
Black
New Colors
New Colors

Boom Bra

$82
Color: Robin
BAND
CUP
4 in stock
Description

Runner’s World’s 2025 Gear of the Year

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
Details

• Racerback silhouette
• Adjustable, padded straps
• 2 hook and eye closures with 3 positions at centerback chest band
• Plush ribbed elastic chest band for comfort and heat management
• Sewn in molded cups with perforation for heat release
• Compression level: 3
Materials

• Power Plya (78% Polyester, 22% Spandex)
• Constructed with bluesign® approved materials
• Machine wash cold, tumble dry low

Learn more on our Fabrics page.
Size and Fit

Model Information:
• Robin: Maddy is wearing size 38D
• Redwood: Coquia is wearing size 34D
• Black: Mariama is wearing size 34D
• Black: Taylor is wearing size 38D
View details

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 30 reviews
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M
M.K.
Game Changer

Thought I would never find a bra to replace my discontinued Skirt Sports bras (and before that Juno, but I date myself). Cycling seemed in my future. This hold is good with a little more give, but the sides and overall look is much, much better. Actually cute; its hefty price tag is well worth it! 34dd is my regular size and it works great. A running miracle!

K
K.S.C.
Be careful with sizing

Followed the sizing guidelines and ordered a 40D. Whoa. The cup size was WAY off. Band size was also a little loose, so I'm exchanging for my regular bra size (38D) and hoping that fits better. So careful when you follow their sizing guidelines.

Also, the padding was crinkled so when I did try on the bra, the crinkle showed through the fabric. Not cool. :( Not sure if it was damaged in transit since they ship in a plastic bag.

Will update if I can edit this when I get the smaller size bra. Because of sizing issue, have not gotten the chance to wear it yet.

I did get the 38D and it still fit terribly. Returned it and won't be trying any more.

A
A.R.
I want one in every color!

This is the most supportive and comfortable sports bra I've ever had. I wear this in size 36DD and feel fully locked in running and biking. It is easy to put on too, which cannot be said for all high support sports bras.

S
S.A.
Finally, a great bra for the big gals

I'm so glad to have found Oiselle, and this is the best of their bras I have tried. According to their sizing instructions I am a 34DD, and that size works well. The only down side is that the material is so thick, it takes a long time to dry. I bring a spare casual bra with me to my trail runs so I can change after the run so the journey home is pleasant. You really don't think about your boobs at all when you are running with this bra -- exactly what you want! I used Champion running bras for many years but the last few I've gotten have not worked, they rub off the skin under the band and I can't run for a week until that heals. I'm so glad I found Oiselle!

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