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Longevity Sports Bra
Longevity Sports Bra
$58.00
USD
10% off Bra & Underwear Sets*
Light-support sports bra
Doubles as a workout top
Breathable mesh ventilation
Wireless, hardware-free design
Size and Fit Guide
Use Our Calculator to Find Your Traditional Bra Size
Step 12 of 2
Your Results
Measure Your Under Bust
Measure Your Full Bust
Wearing an unpadded bra, wrap a measuring tape around the top of your ribcage. You’re looking for a snug fit - so we recommend tightening on the exhale and noting the smallest measurement to the decimal.
Wrap the measuring tape around the fullest part of your chest, making sure the measuring tape is paralell to the floor. Relax your shoulders and measure where it falls.
At Knix, your size is
Still have questions? Ask our virtual assistant about finding the perfect fit.
Still have questions? Reach out to info@knix.com to learn more about our sizing.
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Product Description
Light Support
Smooth & Comfortable
Wireless Structure
Zoom
How to Choose?
Essential
- • Days you don’t need leak protection. Everyday freshness and moisture wicking.
-
0 tsp
Heavy
- • Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.
-
about 8-14 tsp
-
about 1.5-3 regular pads
-
about 4-7 super tampons
-
about 1.5-3 menstrual cups
Light
- • Daily freshness. For sweat, discharge, period spotting, or backup protection.
-
about 1-3 tsp
-
about 1-3 pantyliners
-
about 1-3 regular tampons
-
about 0.5 menstrual cups
Moderate
- • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
-
about 4-8 tsp
-
about 1-1.5 regular pads
-
about 2-4 super tampons
-
about 0.5-3 menstrual cups
Ultra
- • Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, or overnight protection.
-
about 15-20 tsp
-
about 1.5-2.5 super pads
-
about 7-11 super tampons
-
about 2-3 menstrual cups
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Full coverage
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Momenta Racerback Sports Bra
Medium support
Mesh underband for ventilation
Pullover style
Longevity Sports Bra
Light support
Bra top with bonded-in cups
Pullover style
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Recently Viewed
Total 5 star reviews: 43 Total 4 star reviews: 5 Total 3 star reviews: 8 Total 2 star reviews: 3 Total 1 star reviews: 7
What our customers are saying
Generated by AI from 41 most recent customer reviews
Last updated 1 month ago
Customers say this sports bra is extremely comfortable and provides medium support for workouts and all-day wear. They appreciate the soft material, flattering long-line design, and adjustable straps that lay well on the back. Many find the bra molds to their body and feels like they're not wearing anything at all. The pullover style is convenient and the fabric washes well. However, some experience sizing challenges, with several noting they needed to size up for proper fit. A few customers mention issues with strap placement being too high for certain tops, and some report the bottom band rolling up during wear. The cup inserts occasionally shift after washing, requiring repositioning.
73%would recommend this product
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Rating
66 reviews
- Rated 3 out of 5 stars3 minutes agoHard to get out of
Basically its quite comfortable but a person needs to have very flexible arms to get out of it. Also it holds in body heat
Sandra K.Verified BuyerReviewingLongevity Sports Bra - Rated 1 out of 5 stars11 hours agoSo disappointed
I am 7 days past the return window and am so disappointed in this product. I have many Knix bras and was excited to be fitted for this in the store, but this rolls at the bottom within minutes of putting on, and the quality is not the same of other products- I have washed it in a bra bag on gentle twice and hung to dry but the writing on the inside has already worn off and become illegible. I waited too long to see if it required some break in time, and now i have an item I will not wear.
Tara B.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 starsYesterday5 Stars
The absolute BEST workout bra I have ever worn! I will be telling everyone I know about this one! Love the material, the fit- its just the best fitting workout bra out there!
KatrinaReviewingLongevity Sports Bra - Rated 3 out of 5 starsYesterdayMy torso is weird
My torso is weird so this bra comes up under my armpits too much.
Teresa L.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 stars3 days agoGreat sports bra!
I LOVE this sports bra...it's cute and keeps the girls contained! I have not run in it yet, but have hiked, biked, and done lots of hot yoga!
KUKnix US 2.03 days agoHey Ailish!
This is amazing! We're so happy our Longevity Sports Bra is keeping you comfortable through all your adventures. Love hearing it's perfect for everything from biking to hot yoga!
Team Knix
Ailish M.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 stars3 days agoExcellent chose
I bought one bra. Loved it so went back n bought 3 more. Why you ask, I just needed a bra that the straps would stay put n these bras are do die for
Thanks
KUKnix US 2.03 days agoHey Helene!
This made our day! We're so thrilled you loved our Longevity Sports Bra so much you went back for more. Nothing better than straps that stay put!
Team Knix
Helene R.Verified BuyerReviewingLongevity Sports Bra - Rated 4 out of 5 stars5 days agoLongevity Sports Bra
This bra gives great support and I love the fit and the way it looks under exercise tops. The only criticism I have is that the band under the cups roles up at times.
KUKnix US 2.05 days agoHey Donna,
Thanks for the great feedback! We're so happy you love the support and fit of the Longevity Sports Bra. We appreciate you mentioning the band rolling - we'll share this with our design team!
Team Knix
Donna G.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 stars6 days agoPerfect for Pilates
Just the right amount of support.
KUKnix US 2.06 days agoHey Cindy!
So happy to hear our Longevity Sports Bra is giving you the perfect support for your Pilates sessions! Thanks for the amazing review!
Team Knix
Cindy R.Verified BuyerReviewingLongevity Sports Bra - Rated 4 out of 5 stars1 week agoGood bra
Comfortable, good fit
KUKnix US 2.01 week agoHey Maria!
Thanks so much for reviewing our Longevity Sports Bra! We're thrilled you're loving the comfort and fit. There's nothing better than hearing our customers feel amazing in their Knix!
Team Knix
Maria T.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 stars2 weeks agoAbsolutely the best sports bra on the market
This sports bra is not only the most comfortable but well made sports bra on the market. I have this is every colour and cannot rave about it more. It is so comfortable with the straps that do not have knobs on them but the fact that as a woman who has larger breasts it is nice to feel fully supported.
KUKnix US 2.02 weeks agoHey Melissa!
This is amazing! We're so thrilled our Longevity Sports Bra is giving you the perfect support and comfort. Thanks for taking the time to share this!
Team Knix
Melissa W.Verified BuyerReviewingLongevity Sports Bra - Rated 5 out of 5 stars3 weeks agoLongevity Sports Bra
comfortable and well supported, specifically on the sides which I appreciate being large breasted.
KUKnix US 2.03 weeks agoHey Karin!
Thanks so much for taking the time to review our Longevity Sports Bra! We're so happy to hear you're loving the comfort and side support!
Team Knix
Karin M.Verified BuyerReviewingLongevity Sports Bra - Rated 2 out of 5 stars1 month agoLongevity bra
Really miss the length-adjusting straps. Straps are too short and can’t be adjusted for comfort
Linda L.Verified BuyerReviewingLongevity Sports Bra
