Under Armour UA Infinity High Sports Bra - High Support (Style ZL3M)
Under Armour UA Infinity High Sports Bra - High Support (Style ZL3M)
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In this review of the Under Armour UA Infinity High Sports Bra the bottom line is simple: this is a bra built for people who need reliable, high-impact support without sacrificing comfort. It stands out because of its molded, PU injected one-piece padding and structured design that keep movement controlled during running, court sports and high-intensity classes. The supplier-grade HeatGear fabric and front mesh add breathability, while a smooth, sweat-wicking band and hook & eye closure make long workouts more comfortable and secure.
Key Features
- High-impact support: Molded, PU injected one-piece padding and a strategic construction deliver focused support for running and dynamic sports.
- Breathable panels: Front mesh panel increases airflow at the chest to reduce overheating during intense sessions.
- Secure band: Smooth, sweat-wicking band with an easy hook & eye closure provides stability and makes the bra easier to get on and off.
- Convertible fit: Front adjustable straps can be worn straight or criss-cross to customize lift and shoulder comfort.
- Lightweight padding: Injection-molded pad has a strategic pattern for a more aerodynamic fit and a lighter feel during motion.
Who It's For
This bra is aimed at runners, court athletes and people who do high-impact classes who need strong containment and minimal bounce. The combination of molded padding, HeatGear fabric and a secure band makes it a solid choice for people who prioritize performance and support in their sports bras.
Shoppers who need a very loose, lounge-style fit or who prefer completely removable cups may want to look elsewhere; some buyers report the bra runs small and it's built for a snug, performance-oriented fit rather than relaxed everyday wear.
Pros & Cons
Pros
- Very effective support for running and functional workouts thanks to molded padding and structured design.
- Comfortable next-to-skin feel from HeatGear fabric that wicks sweat and dries quickly.
- Convertible straps and hook & eye band let you customize fit and ease on/off.
Cons
- Fit is mixed among customers and can run small, so sizing carefully is important.
- Some users find it trickier to put on because of the snug, supportive construction.
Specifications
| Brand | Under Armour |
| Padding | Molded PU injected one-piece padding |
| Support level | High-impact activities (running, court & field sports, aerobics) |
| Fabric feature | HeatGear next-to-skin, sweat-wicking fabric |
| Breathability | Front mesh panel |
| Closure | Smooth band with hook & eye closure |
| Straps | Front adjustable, convertible straight or crossback |
Our Verdict
The Under Armour UA Infinity High Sports Bra is worth buying if you need high-impact containment and a performance-first fit; its molded padding, HeatGear fabric and secure band make it particularly well suited to runners and athletes. It represents good value for those who prioritize support, though shoppers should size carefully because some find the fit snug.
Frequently Asked Questions
Is this bra good for running?
Yes. The molded padding and structured support are designed to minimize bounce during running and high-impact exercise.
How does the closure work?
The bra uses a smooth, sweat-wicking band with a hook & eye closure for a stable fit and easier on/off compared with pull-over styles.
Does it dry quickly?
The HeatGear fabric wicks sweat and dries fast, making it suitable for intense or frequent workouts.
Editor's Take
The UA Infinity High Sports Bra delivers strong, reliable high-impact support with molded padding, HeatGear fabric and a secure band, making it a smart pick for runners and serious athletes who prioritize containment and performance.

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