Whether you're an everyday walker, a weekend runner, or just looking for durable sneakers with performance features, the Under Armour Men's Charged Assert 9 Running Shoe ticks the boxes for lightweight support, breathable comfort, and versatile styling. Engineered for neutral runners who want a balance of cushioning and flexibility, this shoe blends responsive tech with a modern aesthetic—making it just as suited for gym floors and outdoor trails as it is for casual daily wear.
From its sleek mesh upper to its Charged Cushioning® midsole, every element of the Assert 9 is designed with one goal: to help you go faster, farther, and more comfortably—without sacrificing style along the way.
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Key Features at a Glance
- Lightweight mesh upper with a 3-color digital print for breathability and style
- Durable leather overlays that lock in your midfoot and add lateral support
- EVA sockliner for step-in comfort
- Charged Cushioning® midsole for impact protection and energy return
- Rubber outsole with high-impact zone coverage for targeted durability
- Neutral fit with a 10mm offset, ideal for runners needing a mix of support and flexibility
Upper Design: Breathability Meets Structure
The Assert 9 starts strong from the top down. Its engineered mesh upper ensures your feet stay cool mile after mile, even in warmer conditions. The breathable fabric is enhanced by a striking three-color digital print, delivering visual texture without compromising airflow.
Supporting the breathable mesh are reinforced leather overlays, strategically placed to hug your midfoot for added structure. Whether you’re jogging, lunging, or just moving through a busy day, these overlays help prevent foot slippage and improve lateral stability.
Step-In Comfort: The EVA Sockliner Advantage
Step into the Assert 9 and you’ll immediately feel the plush support of the EVA sockliner, which cradles your foot from the first wear.
- Offers a soft, low-profile cushioning
- Helps reduce shock during heel strikes
- Maintains consistent comfort during long wear sessions
Many users highlight this “step-in softness” as a major win—especially for those on their feet for hours.
Midsole Performance: Charged Cushioning® in Action
Under Armour’s proprietary Charged Cushioning® midsole is where this shoe truly shines. Made from compression-molded foam, the midsole provides responsive cushioning while maintaining a firm, springy feel that supports both daily running and high-impact workouts.
- Great for absorbing shock from concrete or gym flooring
- Responsive enough to promote forward propulsion during strides
- Offers more energy return than traditional EVA midsoles
As user Frankie noted: “Lightweight, comfortable, well made… they breathe well and have amazing arch support.”
Outsole & Traction: Designed for Durability
The Assert 9 uses a solid rubber outsole with reinforced coverage in high-impact zones (heel and toe) to minimize weight without compromising durability.
- Reliable traction on pavement, track, or treadmill
- Extended outsole lifespan through targeted rubber placement
- Flex grooves aid in natural foot movement and smooth transitions
Whether you're heading out for a run or doing errands around town, these shoes deliver consistent ground contact and sure-footed support.
Fit & Sizing: What You Need to Know
The Assert 9 is available in standard and wide widths, though some users have noted nuances:
- Fit is generally true to size, though those with broader feet or needing extra toe room may consider sizing up.
- T.D, a size 13 reviewer, noted: “The size 13 I purchased felt like I would have needed a 13.5 or 14 for a more comfortable fit.”
- The lace-up system allows for precise adjustment and tension across the arch and ankle.
If you’re between sizes or prefer a bit more breathing room, it may be smart to go up a half size for the best comfort.
Style & Versatility: Not Just for the Gym
Although designed with running in mind, the Assert 9 transitions easily into everyday life. With color combinations like Black/White and Pitch Gray, this sneaker can easily pair with joggers, athletic wear, or casual jeans for a sporty edge that fits every part of your day.
- AP_fitswithpalmy purchased them for their teenage son and noted they were great for school, walking, and hanging out—a testament to the sneaker’s crossover appeal.
- D.C. (a female buyer) appreciated the low-key camo touch and the gender-neutral design: “They’re comfortable and stylish… got my usual size and the fit was perfect.”
Customer Reviews: Real Talk from Real Runners
Let’s look at what buyers are loving—and what they think could improve.
✅ AP_fitswithpalmy: “Perfect for picky teens. Comfortable, durable & stylish.”
✅ Frankie: “They breathe well and have amazing arch support.”
✅ D.C.: “Got my usual size. The fit was perfect. Lightweight and good-looking.”
⚠️ T.D.: “Insole is a bit harder than I expected. Sizing runs small.”
Overall, the consensus? The Assert 9 hits the sweet spot for comfort, support, and price, though wearers looking for super-soft footbeds may want to pair them with additional insoles.
Pros & Cons Summary
Pros
✅ Breathable, lightweight mesh upper
✅ Charged Cushioning® for responsiveness and shock absorption
✅ EVA sockliner for enhanced comfort
✅ Leather overlays provide stability and midfoot support
✅ Versatile look for running, walking, or casual wear
✅ Excellent value for the features offered
Cons
⚠️ Insole may feel firm for some—consider aftermarket inserts
⚠️ Sizing can run slightly narrow—half size up may be needed for wide feet
⚠️ Mesh sides may attract dirt more easily
Final Verdict: Should You Buy the Under Armour Charged Assert 9?
The Under Armour Charged Assert 9 is an excellent option for men (and women) seeking a neutral running shoe that balances performance and style at an accessible price point. With a responsive Charged Cushioning® midsole, breathable design, and strong stability from the leather overlays, this shoe provides enough support for regular training, long walks, or all-day casual wear.
Whether you're hitting the pavement or simply stepping out in comfort, the Assert 9 proves you don’t have to pay premium prices to get versatile athletic performance wrapped in sleek, everyday style.
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