My favorite workout top
"My favorite workout top. I ordered 2 more in black because I wear them everyday. So comfortable and so flattering for a small chest"







for all orders over $150 (USD)
within 30 days (exclusions apply)
The original CSB classic, this sports bra is a crowd-favourite for a reason.
- Light support
- Double lined, no padding
- Thick crossed straps for support and comfort
- Flattering twist detail
- Serenity fabric
80% Polyester, 20% Elastane
SHIPPING
Enjoy free standard shipping on all orders with a merchandise subtotal of $150 USD or more. Eligible orders will automatically receive a free shipping option at checkout.
Shipping costs for orders below this threshold are calculated at checkout based on your delivery location and parcel weight. Duties and taxes are prepaid where available. If included, your selected shipping method will display "Duties & Taxes Prepaid" at checkout. If this label is not shown, any applicable duties, taxes, or import fees will be payable by the recipient upon delivery.
Please read more regarding our shipping policies here
30-DAY RETURNS
At CSB, we want you to love your pieces! If something isn’t quite right, you’re welcome to return your order within 30 days of delivery, provided it meets our Return Eligibility Requirements.
Refund Eligibility
Please view our full Returns Policy here
Complete the look

Overall rating: 4.8381505 / 5 from 1557 reviews.
The Serenity Sierra Crop sports bra is praised for its amazing look, supportive fit, and high-quality material. Customers love its flattering style and soft, comfortable fabric, making it a top choice for many.
Review topics: [feel, fit, material, colour, quality, fabric, look, crop, style, design, size, bra, padding, straps, cut, top, shape, coverage, comfy, support, comfort, thickness, detail, girls, weight, customer service, neckline, staple, length, shade].
"My favorite workout top. I ordered 2 more in black because I wear them everyday. So comfortable and so flattering for a small chest"
"Surprisingly very supportive even for running! Love the fit and very comfortable!"
"Super cute once you figure out the gymnastics of how to get it on."
"Forever fav crop, always gets compliments that I’ve had a breast enhancement, whilst serenity and grey for gym can be worn anywhere!"
"fits nicely however runs a bit small in my opinion"
"Absolutely love this two-tone colour combo! 😍 So flattering, stylish and unique. Definitely one of the best CSB colour combinations!"
"Absolutely love this crop! 😍 Super flattering, comfortable and stylish. The black is so sleek and easy to match — another CSB favourite!"
"Love the color and the fit of this sports bra!"
"loveee so cute cinches perfect fit love this selection perf for pilates yoga treadmill etc"
"Absolutely love this black twist crop! It's so flattering and fits perfectly. The material is really soft, comfortable, and feels great quality. It goes with everything, whether I'm wearing it to the gym or just out and about. Such a staple piece—I know I'll get so much wear out of it!"