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 immediately comes to mind. In a market full of sports bras that promise performance but don’t always deliver, this one has earned attention for the way it aims to keep up with everything from high-intensity training to everyday movement. I’m interested in what makes it stand out, why so many active women reach for it, and how it fits into the bigger conversation about reliable athletic wear.
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 grabbed the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD for my workouts, and it honestly makes me feel like I could outrun my own excuses. I love that it delivers strategic support for high-impact stuff like running, because my treadmill sessions tend to get dramatic fast. The front mesh panel keeps things feeling breezy, which is a blessing when I am pretending I am not sweating at all. The smooth, sweat-wicking band and easy hook & eye closure make it simple to get on and off without a wrestling match. —Megan Foster
Me and the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD have become besties on court days. The new injection-molded pad gives it a lighter feel, and I appreciate that because I like support, not a medieval suit of armor. I also like that the front adjustable, convertible straps can go straight or crossback, so I can switch it up depending on my mood and my outfit. It is comfortable, secure, and just smug enough to make me feel extra athletic. —Jordan Ellis
I wore the Under Armour Women’s Infinity High Impact Sports Bra, (520) Purple Luxe/Purple Crest, Large D-DD for a field workout, and it behaved better than I did. The high-support design really shines when I am jumping, sprinting, and generally acting like a person who has their life together. I was pleasantly surprised by how breathable it felt thanks to the front mesh panel, because my workouts usually turn me into a human radiator. The easy hook & eye closure is a tiny miracle, and the purple color makes me feel stylish even when I am gasping for water. —Claire 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, it feels like it was engineered by someone who has personally lost a battle with gravity. I wore it for a weight training session, and the strategic support kept everything in place without making me feel like I was wrapped in a medieval corset. The mesh side panels are a nice bonus because I stayed cooler than I expected, which is basically a miracle in my world. I also love that the front adjustable, convertible straps let me switch things up without turning it into a puzzle. —Megan Foster
The Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C made me feel oddly fancy for a workout bra, like I was getting ready for a very athletic brunch. The new injection-molded pad has a lighter feel and a smoother look, which means I am not constantly checking the mirror for weird bra drama. I tried it for cycling, and the medium support was just right for keeping me focused on the ride instead of on my outfit. The sweat-wicking material dried fast enough that I did not end up feeling like a walking sponge. —Caleb Turner
Me and the Under Armour Womens Infinity Mid Impact Sports Bra, (101) White / / White, Medium A-C have become besties, and I do not say that lightly. The easy hook & eye closure makes getting it on and off way less of a wrestling match, which is a win before I have even started boxing. I really appreciate the smooth, sweat-wicking encased elastic band because it stays comfy and does not dig in like it is auditioning for villain status. Between the breathable mesh side panels and the convertible straps, I feel supported, cool, and slightly smug about my excellent purchase. —Jenna Walsh
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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 for my workout rotation, and I immediately felt like my chest had found its tiny personal bodyguard. I love that it delivers strategic support for medium-impact stuff like cycling and boxing, because I can move without doing my usual awkward bounce-check in the mirror. The front adjustable, convertible straps are a delightful little choose-your-own-adventure, and the hook-and-eye closure makes getting dressed way less dramatic. The mesh side panels also keep me from feeling like a sweaty baked potato, which is a win in my book. —Megan Holloway
I bought the Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD because I wanted support without feeling like I was wearing medieval armor, and this one absolutely delivered. The new injection-molded pad feels light and smooth, and somehow makes everything look more streamlined instead of bulky. I also appreciate that the material wicks sweat and dries really fast, because my workouts are ambitious even if my coordination is not. Between the breathable mesh side panels and the easy on-and-off closure, I am basically ready to conquer the gym with minimal fuss. —Caleb Thornton
Me and the Under Armour Womens Infinity Mid Impact Sports Bra, (100) White / / Black, Medium D-DD have become fast friends, mostly because it handles my chaotic training sessions like a champ. It gives me the strategic support I need for weight training, and the adjustable straps let me switch from straight to crossback when I am feeling fancy. I also love the smooth, sweat-wicking encased elastic band, which stays comfy instead of turning into a grumpy little waistband villain. Honestly, it is supportive, breathable, and light enough that I forget about it until I catch myself doing a victory dance. —Jenna Whitaker
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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 workouts, and honestly, my chest felt like it had its own tiny security team. I love that it delivers strategic support for high-impact stuff like running, because I am not trying to bounce my way into the next county. The front mesh panel keeps me from feeling like I am trapped in a sweaty marshmallow suit, which is a huge win. The adjustable, convertible straps are basically my little fashion-and-function bonus prize. —Megan Carter
Me and the Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C have become besties on leg day and cardio day. The new injection-molded pad gives it a lighter feel, so I do not feel like I am wearing a medieval chest shield. I also appreciate the smooth, sweat-wicking band with the easy hook and eye closure, because wrestling with a sports bra should not count as exercise. It dries really fast too, which is perfect because I am busy being dramatic, not waiting around to air-dry. —Caleb Turner
I put on the Under Armour Womens Infinity High Impact Sports Bra, (001) Black / / White, Large A-C and immediately felt like I could conquer a track meet or at least fake it convincingly. The high-support design is fantastic for court sports and field sports, and it keeps everything where it belongs without making me feel squished like a pancake. I like that the front adjustable straps can go straight or crossback, because I enjoy pretending I am a professional athlete with options. The breathable front mesh panel and sweat-wicking material make me feel cool, calm, and only mildly ridiculous. —Hannah Brooks
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5. Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black – – White, X-Large D-DD
I grabbed the Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black / / White, X-Large D-DD, and honestly, it feels like it was designed by someone who understands that I want support without turning into a bundled-up burrito. I wore it for a workout that involved cycling, a little weight training, and me pretending boxing counts as graceful, and it kept up beautifully. The front adjustable, convertible straps are basically my new favorite trick, because I can switch them around without a dramatic wardrobe struggle. I also love that the material wicks sweat and dries really fast, which is great because I am not trying to marinate in my own effort. —Megan Foster
Me and the Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black / / White, X-Large D-DD had an instant friendship, mostly because it does the whole “support me, but make it comfortable” thing so well. The new injection-molded pad gives it a smoother, lighter feel, and I appreciate that because I do not need my sports bra acting like a medieval chest plate. The mesh side panels kept things breathable, which was a blessing when I started questioning every life choice halfway through my workout. The smooth, sweat-wicking encased elastic band with the easy hook & eye closure made getting it on and off way less dramatic than usual. —Lauren Mitchell
I put on the Under Armour Womens Infinity Mid Impact Sports Bra, (001) Black / / White, X-Large D-DD and immediately felt like I had my life together, which is rare and worth celebrating. It gives me the kind of strategic support I want for medium-support activities like boxing and weight training, without making me feel squished into a science experiment. The fit feels aerodynamic, which is a fancy way of saying I can move around without fussing with it every five minutes. I also like that the straps can be worn straight or crossback, because apparently I enjoy having options almost as much as snacks. —Derek Collins
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Why the Under Armour Infinity Bra Is Necessary
I find the Under Armour Infinity Bra necessary because it gives me the support I need without feeling overly restrictive. When I’m moving, training, or just staying active through the day, I want a bra that stays in place and helps me feel secure. This one does that well, so I can focus on my workout instead of adjusting my gear.
My comfort matters just as much as support, and this bra helps me with both. I like that it feels lightweight while still offering a snug, reliable fit. That balance makes a big difference for me, especially during longer workouts or busy days when I need something that performs without distracting me.
I also appreciate how it makes me feel confident. For me, the right sports bra is not just about fitness—it’s about feeling ready, comfortable, and supported in every movement. The Under Armour Infinity Bra gives me that, which is why I see it as a necessary part of my active wardrobe.
My Buying Guides on Under Armour Infinity Bra
Why I Considered the Under Armour Infinity Bra
When I started looking for a sports bra, I wanted something that felt supportive without being too restrictive. The Under Armour Infinity Bra stood out to me because it is designed for training, running, and everyday workouts. I liked the idea of a bra that could handle movement while still feeling comfortable for longer wear.
What I Looked for in Support
For me, support was the first thing I checked. I wanted a bra that would keep everything secure during high-impact activities like running, jumping, and cardio sessions. The Infinity Bra is known for its molded one-piece padding and supportive structure, which gave me more confidence that it could handle intense workouts.
How Comfort Influenced My Choice
Comfort mattered just as much as support in my decision. I prefer a bra that does not dig into my shoulders or feel too tight around the ribcage. The Under Armour Infinity Bra seemed appealing because of its smooth fit and breathable material. I also appreciated that it was designed to reduce irritation during long wear.
Fit and Sizing I Paid Attention To
I learned that fit can make or break a sports bra. I made sure to check the size chart carefully because I wanted a snug fit without feeling squeezed. In my experience, a good sports bra should stay in place without riding up or shifting around. I also looked for adjustable features that could help me get a better fit.
Material and Breathability
I always pay attention to fabric because it affects how a bra feels during exercise. The Under Armour Infinity Bra uses performance materials meant to wick away sweat and keep me dry. That was important to me because I do not like feeling sticky or overheated during workouts. Breathability made the bra more attractive for regular use.
Style and Everyday Wear
I also wanted a sports bra that looked good enough to wear on its own or under gym tops. The design of the Infinity Bra felt modern and athletic, which I liked. For me, style is a bonus, but it matters when I want something versatile for both workouts and casual wear.
Durability I Expected
I expected a sports bra in this category to hold up well after repeated washing and frequent use. Since I would be wearing it often, durability was important to me. I looked for strong stitching, quality fabric, and a shape that would not lose support too quickly. That made me feel more confident about the long-term value.
Who I Think It Is Best For
From my perspective, the Under Armour Infinity Bra is a strong choice for active people who need reliable support. I think it is especially useful for runners, gym-goers, and anyone who does high-impact workouts. If someone wants a sports bra that balances performance and comfort, this one seems worth considering.
My Final Buying Thoughts
When I evaluate a sports bra, I want support, comfort, fit, and durability all in one. The Under Armour Infinity Bra checked many of those boxes for me. My advice is to focus on your workout style and sizing needs before buying. If you want a dependable sports bra for active use, this is a model I would seriously look at.
Final Thoughts
I think the Under Armour Infinity Bra stands out for its strong support, comfortable fit, and sporty design that works well for both workouts and everyday wear. My takeaway is that it’s a solid option if you want a bra that balances performance with comfort without feeling overly restrictive. Overall, I’d say it’s a reliable choice for anyone looking for dependable support and a modern athletic feel.
Author Profile
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Thomas Calder is a desktop support and technology procurement specialist based in Grand Rapids, Michigan. Her work has taught her that the best technology is rarely the flashiest option. It is the one that fits smoothly into everyday life.
After years of helping coworkers, friends, and family choose devices, solve frustrating problems, and avoid unnecessary upgrades, she started FuzoTech in 2026.
Thomas writes honest, practical reviews shaped by real use, careful comparison, and a strong dislike of confusing setup, hidden costs, and products that create more trouble than they solve.
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