Racerback Evolution Bra

We made this medium-impact sports bra to maximize performance and minimize distractions. We're confident it'll be your new favorite seamless yoga bra.
Classic Colours
LTD Edition
Questions & Answers

Racerback Essentials

With all the innovation packed into this pull-on, we've got your back.
Hardware Free
All the support is built into the fabric of the bra, and its seamless design sits flush against your skin.
4-Way Stretch
Moisture-wicking, anti-odor fabric molds to your unique shape for exceptional comfort.
Removable Cups
This padded sports bra features thin, breathable cups that add shape and coverage without the bulk.
"Soft as a dream and stylish as hell, it's kind of shocking to feel the difference."

– Megan P.

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Add it to a Set

Want the full Knix experience? Build a set with a bra, undies and accessories...and get a great deal!

How It Fits

The racerback design features wide straps, no hardware, and is easy to pull on allowing for greater mobility.


Body: 62% nylon, 38% spandex
Lining: 92% nylon, 8% spandex


Machine wash cold with mild detergent, do not bleach, lay flat to dry.

It feels like a second skin, moving with me through all my yoga poses - the best racerback bra I've ever worn!
Sarah M.

What You're Wearing


Constructed using 4-way stretch fabrics, your Knix match your every move and mold to your unique shape. It's comfort unlike anything.


Knix products are tested by 1000s of women to ensure they're ready for real life. And everything that comes with it.


Moisture-wicking. Anti-odor. Quick dry. And anything else we can do to improve your intimates.

Our 30 Day Guarantee

Put it to the test. Wear it to work, to yoga, to wherever - it’s your call. Give it a couple washes. Fall in love with it. And if you don't? We can help you get into a better fit or take it back, no questions asked.

Racerback Evolution Bra Reviews

Racerback Evolution Bra
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Q & A


Q: Is there a way to sign up for a waiting list, or some kind of notification when XL is back in stock? Will they be back in stock?


A: Yes! You should have the option to sign up for a Back in Stock notification located under the product page.