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Brooks Women’s Trace 4 Neutral Running Shoe - vs Under Armour Women's Charged Assert 9, Black/White, 8.5 US

Updated August 2026 — Brooks Women’s Trace 4 Neutral Running Shoe - leads on price and comfort.

The Brooks Women’s Trace 4 offers superior cushioning and performance for long-distance runners, while the Under Armour Women’s Charged Assert 9 is a budget-friendly option for casual use.

Why Brooks Women’s Trace 4 Neutral Running Shoe - is better

Cushioning

Brooks features DNA LOFT v2 cushioning for maximum comfort.

Breathability

Brooks has a specialized air mesh upper for moisture control.

Outsole

Brooks uses RoadTack Rubber for enhanced durability and traction.

Why Under Armour Women's Charged Assert 9, Black/White, 8.5 US is better

Price

Under Armour is priced at $57.95, making it more affordable.

Sales Rank

Under Armour has a better sales rank at 2002.

Weight

Under Armour is lighter, making it suitable for casual use.

Overall score

Brooks Women’s Trace 4 Neutral Running Shoe -
85
Under Armour Women's Charged Assert 9, Black/White, 8.5 US
70

Specifications

SpecBrooks Women’s Trace 4 Neutral Running Shoe -Under Armour Women's Charged Assert 9, Black/White, 8.5 US
CushioningDNA LOFT v2Charged Cushioning
Upper MaterialAir MeshLightweight Mesh
Outsole TypeRoadTack RubberRubber Outsole
WeightLightVery Light
Sales Rank121972002

Dimension comparison

Brooks Women’s Trace 4 Neutral Running Shoe -Under Armour Women's Charged Assert 9, Black/White, 8.5 US

Price Comparison

When it comes to price, the Under Armour Women's Charged Assert 9 is significantly more affordable, retailing at $57.95 compared to the Brooks Women’s Trace 4 Neutral Running Shoe's price of $91.75. This puts the Under Armour shoe at about 37% less expensive than its Brooks counterpart, making it an attractive option for budget-conscious shoppers. While both options are designed for comfort and performance, the price difference could influence your decision, especially if you’re just starting your running journey or looking for a reliable shoe without breaking the bank.

Comfort and Cushioning

The Brooks Women’s Trace 4 excels in providing maximum comfort with its DNA LOFT v2 soft cushioning, designed to adapt to your unique stride. This shoe is engineered for longer runs, promising to keep you comfortable mile after mile. In contrast, the Under Armour Women’s Charged Assert 9 also provides a soft cushioned ride through its Charged midsole, which delivers balanced impact protection. While both shoes prioritize comfort, the Brooks shoe might be better suited for those who run longer distances regularly, whereas the Under Armour model is ideal for shorter runs or workouts.

Breathability

In terms of breathability, both shoes feature engineered mesh uppers to enhance airflow. The Brooks Women’s Trace 4 boasts a breathable air mesh upper, designed specifically to keep runners dry and comfortable. The Under Armour Women’s Charged Assert 9 also incorporates a lightweight mesh that increases airflow, keeping your feet cool during workouts. While both options excel in breathability, the Brooks shoe emphasizes moisture control more explicitly, which could be beneficial for those who tend to sweat more during their runs.

Support and Stability

The Brooks Women’s Trace 4 incorporates a segmented crash pad and sculpted grooves in the heel and outsole, promoting smooth transitions and stability. This design is particularly useful for runners seeking a reliable performance over various terrains. On the other hand, the Under Armour Women’s Charged Assert 9 features reinforced overlays that enhance midfoot support, helping to keep the foot centered for confident strides. If stability is a priority, the Brooks shoe may offer slightly more advanced features, while the Under Armour shoe provides adequate support for light training and casual walks.

Outsole Performance

For outsole performance, the Brooks Women’s Trace 4 utilizes a RoadTack Rubber compound, designed to be durable and lightweight, which contributes to overall rebound and traction. In contrast, the Under Armour Women’s Charged Assert 9 features a rubber outsole with a flexible tread pattern, enhancing traction and natural movement on various surfaces. If you’re looking for a shoe that can handle multiple running conditions, the Brooks shoe may have the edge with its specialized outsole technology, while the Under Armour shoe remains versatile for everyday activities.

Style and Aesthetics

In terms of style, the Brooks Women’s Trace 4 comes in a fresh white/oyster/rose color scheme, appealing to those who prefer a lighter, more vibrant look. Meanwhile, the Under Armour Women’s Charged Assert 9 is available in a classic black and white combination, offering a more understated and versatile aesthetic. Style preferences are subjective, but if you favor a modern, colorful look, the Brooks shoe may be more appealing, while the Under Armour shoe's simplicity can complement a wider range of outfits.

Sales Rank

When considering popularity, the Under Armour Women’s Charged Assert 9 holds a better sales rank, positioned at 2002 compared to the Brooks Women’s Trace 4's rank of 12197. This suggests that the Under Armour model is more favored among consumers, possibly indicating greater satisfaction or a better reputation in the market. If you’re influenced by popularity, the Under Armour shoe might be the more appealing choice, as it has garnered significant attention and sales within the running community.

Which should you buy?

Deciding between the Brooks Women’s Trace 4 and the Under Armour Women’s Charged Assert 9 largely depends on your specific running needs and budget. If you prioritize advanced cushioning, breathability, and performance for longer distances, the Brooks shoe may be worth the higher price at $91.75. However, if you’re looking for a reliable, budget-friendly option for shorter runs or casual use, the Under Armour shoe at $57.95 offers strong performance and support while being approximately 37% cheaper. Ultimately, both shoes have their merits, so your choice should align with your personal preferences and running habits.