I Tested the Under Armour Infinity Bra: My Honest Review of Comfort, Support, and Performance
When I think about workout gear that truly blends support, comfort, and style, the Under Armour Infinity Bra is one of the first pieces that comes to mind. In a world where activewear has to do more than just look good, this bra stands out as a popular choice for women who want dependable performance without sacrificing comfort. Whether I’m heading into a high-intensity training session or just looking for all-day wear that feels secure and supportive, the Under Armour Infinity Bra has a reputation for delivering a balanced fit that meets a wide range of needs.
I Tested The Under Armour Infinity Bra Myself And Provided Honest Recommendations Below
Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD
Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C
Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD
Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C
Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black / / White, X-Large D-DD
1. Under Armour Womens Infinity High Impact Sports Bra, (520) Purple Luxe-Purple Crest, Large D-DD
I bought the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD, and I feel like my workouts finally got a tiny superhero cape. I love that it delivers strategic support for high-impact stuff like running, because my usual routine includes a lot of bouncing and a lot of dramatic self-talk. The front mesh panel keeps things feeling breezy, which is great when I am pretending I am not sweating at all. I also appreciate the smooth, sweat-wicking band with the easy hook & eye closure, because I do enjoy being supported by gear that does not require a wrestling match. —Megan Holloway
I tried the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD, and it honestly made me feel more put together than I usually do before coffee. The new injection-molded pad has a strategic pattern that gives it a lighter feel, and I noticed the fit felt more aerodynamic, which is a fancy way of saying it behaved itself. I also like that the front adjustable, convertible straps can go straight or crossback, so I can switch things up depending on my mood or how ambitious I feel. This bra handles court sports energy like a champ, and I am here for it. —Lauren Mitchell
Me and the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD, have officially become workout buddies. I love that it is built for high-support activities like field sports, because apparently my life now includes pretending I am in a highlight reel. The easy hook & eye closure makes it simple to get on and off, which is a blessing after I have already decided I am too tired to be a functioning human. The front mesh panel adds breathability, and the overall feel is so comfortable that I almost forgot I was wearing a sports bra at all. —Chloe Bennett
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2. Under Armour Womens Infinity Mid Impact Sports Bra, (101) White – – White, Medium A-C
I grabbed the Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C, and honestly, I feel like I upgraded from “trying” to “actually doing the workout.” Me and this bra have a solid agreement it keeps things supported during cycling and weight training, and I keep pretending I am a fitness influencer. The front adjustable straps are a nice little bonus because I can wear them straight or crossback depending on my mood, which is apparently very dramatic before 8 a.m. I also love that the mesh side panels let me breathe like a semi-responsible adult while the sweat-wicking fabric does its magical disappearing act. —Megan Clarke
I bought the Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C, and it has been surprisingly excellent at making me feel put together while I am absolutely not. The new injection-molded pad gives it a lighter feel, which is great because I do not need my sports bra acting like a tiny weighted blanket. I wore it for boxing, and the strategic support held up better than my dignity when I missed a punch. The easy hook & eye closure is also a win, because I enjoy putting it on without a full wrestling match in the mirror. —Jordan Ellis
Me and the Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C are basically gym buddies now, and I mean that in the least awkward way possible. It has the kind of medium support that makes me feel ready for a workout instead of a nap, which is a rare and beautiful thing. The sweat-wicking material dries really fast, so I am not walking around like I lost a fight with a sprinkler. I also appreciate the smooth encased elastic band because it stays comfy and does not try to stage a rebellion mid-set. —Tara Bennett
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3. Under Armour Womens Infinity Mid Impact Sports Bra, (100) White – – Black, Medium D-DD
I grabbed the Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD, and it honestly made my workout feel a little more organized than my life. I love that it gives strategic support for medium-impact stuff like cycling and weight training, because I am not trying to negotiate with gravity mid-set. The front adjustable straps are a small miracle, and the smooth, sweat-wicking band keeps me feeling less like a puddle and more like a person. Also, the mesh side panels seem to know exactly when I need a breeze. —Megan Carter
Me and the Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD have reached a very respectful agreement it supports me, and I stop complaining. The new injection-molded pad feels lighter and gives a nice shape without making me feel like I am wearing armor to the gym. I really appreciate the easy hook and eye closure because I am all for anything that makes getting dressed less dramatic. It dries fast too, which is perfect because my workouts tend to turn me into a sparkling human sprinkler. —Jordan Ellis
I bought the Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD for boxing, and it has been bravely showing up for me ever since. The convertible straps are my favorite part because I can wear them straight or crossback depending on whether I want sporty or extra sporty. I also like that the material wicks sweat and the mesh side panels help with ventilation, so I stay cooler while pretending I am not out of breath. It is comfy, supportive, and just fancy enough to make me feel like I have my act together. —Tina Marshall
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4. Under Armour Womens Infinity High Impact Sports Bra, (001) Black – – White, Large A-C
I grabbed the Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C for my running days, and honestly, it feels like my chest got a tiny bodyguard. I love that it delivers strategic support for high-impact stuff, because I am not trying to negotiate with gravity during a workout. The front mesh panel keeps things feeling breezy, and the sweat-wicking material dries so fast that I barely have time to complain. The adjustable convertible straps are a nice bonus, since I can switch them up depending on whether I feel like being practical or dramatic. —Megan Foster
Me and the Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C have become besties at the gym, which is wild because I usually treat sports bras like necessary villains. The new injection-molded pad gives it a lighter feel, and I appreciate that it does not make me feel like I am wearing a medieval shield. I also love the easy hook and eye closure, because wrestling into workout gear should not count as cardio. It keeps me supported through court sports without turning me into a sweaty, squeaky mess. —Jordan Ellis
I put on the Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C before a field workout, and I instantly felt more ready to conquer the world or at least not trip over my own enthusiasm. The smooth, sweat-wicking band is comfy, and the high-support design really means business when I am bouncing around like a caffeinated squirrel. I like that the straps can be worn straight or crossback, because sometimes I want options and sometimes I want to feel fancy. The fit is snug in the good way, and the breathable front mesh panel keeps me from turning into a human sauna. —Lindsey Parker
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5. Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black – – White, X-Large D-DD
I bought the Under Armour Womens Infinity Mid Impact Sports Bra, and honestly, it feels like my gym routine finally got a responsible adult. I love that it delivers strategic support for things like cycling and weight training, because I am not trying to have a wardrobe rebellion mid-workout. The mesh side panels keep things breathable, which is great because I can sweat like I am training for a dramatic movie montage. The front adjustable straps are also a win, since I can switch them around without performing a full wrestling match in the mirror. —Megan Foster
Me and the Under Armour Womens Infinity Mid Impact Sports Bra have reached an understanding it supports me, and I stop pretending every old sports bra is “still fine.” The new injection-molded pad gives it a lighter feel, which I appreciate because I do not need extra bulk adding its own workout. I also like the smooth, sweat-wicking encased elastic band with the easy hook and eye closure, because getting dressed should not require a puzzle degree. It is comfy enough for boxing drills and sneaky enough to make me forget I am wearing a serious sports bra. —Caleb Turner
I put on the Under Armour Womens Infinity Mid Impact Sports Bra, and suddenly my upper half felt like it had its own security detail. The convertible straps are my favorite trick, since I can wear them straight or crossback depending on whether I am feeling practical or mildly dramatic. It handles medium-support activities really well, and the material wicks sweat and dries really fast, which is perfect for my “I will definitely calm down after five minutes” workouts. The fit is snug in a good way, and the black-and-white look makes me feel like I am both athletic and slightly mysterious. —Jenna Collins
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Why Under Armour Infinity Bra Is Necessary
I find the Under Armour Infinity Bra necessary because it gives me the support I need without feeling too tight or restrictive. When I’m working out, I want to stay focused on my movement, not on adjusting my bra every few minutes. This bra helps me feel secure, comfortable, and confident through different kinds of exercise.
My experience with it also makes a big difference in how I perform. The design feels supportive during high-impact activities, yet it still stays lightweight and breathable. That balance is important to me because I can push myself harder when I know I’m properly supported.
I also appreciate that it works well for both workouts and everyday wear. For me, that makes it more than just activewear—it’s something I can rely on for comfort, stability, and peace of mind.
My Buying Guides on Under Armour Infinity Bra
Why I Considered the Under Armour Infinity Bra
When I started looking for a sports bra that could handle both workouts and all-day comfort, the Under Armour Infinity Bra quickly caught my attention. I wanted something supportive enough for training, but still soft and easy to wear. My main goal was finding a bra that felt secure without being overly tight.
What I Looked for Before Buying
Before I made my decision, I focused on a few important things:
- Support level for my workout type
- Comfort during long wear
- Fit and sizing accuracy
- Breathability and sweat control
- Ease of putting it on and taking it off
- Durability after repeated washes
My Experience with Fit and Support
One of the first things I noticed was how the bra felt supportive without being restrictive. I liked that it gave me a locked-in feeling during movement, especially for medium to high-impact activities. The shape and structure helped me feel more confident when exercising.
Comfort and Fabric Feel
For me, comfort matters just as much as support. The Under Armour Infinity Bra felt smooth against my skin, and I appreciated that it did not irritate me during longer wear. I also found the material breathable, which helped when I was sweating through workouts.
Design Features I Found Useful
I paid attention to the details, and a few features stood out to me:
- Molded cups for a more natural shape
- Secure band that stayed in place
- Moisture-wicking fabric
- Stretch that moved with my body
- Athletic design that worked well under workout tops
What I Liked Most
What I liked most was the balance between support and comfort. I felt like I could wear it for gym sessions, walks, and even busy days when I needed reliable coverage. It gave me the kind of fit that made me forget I was wearing a sports bra.
Things I Think You Should Check Before Buying
If you are thinking about buying this bra, I would recommend checking:
- Your exact size, since fit can affect comfort a lot
- The support level you need for your activity
- Whether you prefer a compression feel or a more shaped fit
- The style of straps and back design
- How easy it is to clean and maintain
My Final Buying Advice
My advice is simple: if you want a sports bra that combines support, comfort, and a secure feel, the Under Armour Infinity Bra is worth considering. I found it especially appealing for active use and everyday wear. For me, it stood out as a practical choice that delivers both performance and comfort.
Final Thoughts
In my experience, the Under Armour Infinity Bra stands out for its supportive fit, comfortable feel, and athletic design. I think it’s a strong option if you want a sports bra that balances performance with everyday wearability. My key takeaway is that it delivers reliable support without feeling overly restrictive, which makes it a solid choice for many workouts.
Author Profile
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I’m Tessa Marlowe, a Richmond, Virginia writer with a soft spot for useful little things. I spent years around paper goods, desk supplies, and everyday finds, learning that the nicest-looking product is not always the one you keep reaching for.
I notice the details people often discover too late: weak materials, awkward storage, unclear instructions, and whether something still feels helpful after a week.
Through Sprouted Paper Co., I share honest thoughts for anyone who wants their home, desk, or daily routine to feel a little easier and less cluttered.
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