Brooks Women’s Adrenaline GTS 25 Supportive vs Under Armour Women's Charged Assert 9, Black/White, 8.5 US
Updated July 2026 — Brooks Women’s Adrenaline GTS 25 Supportive wins on price and support, Under Armour Women's Charged Assert 9, Black/White, 8.5 US wins on sales rank and weight.
The Brooks Women’s Adrenaline GTS 25 is ideal for serious runners needing support, while the Under Armour Women’s Charged Assert 9 is a budget-friendly option for casual use.
Why Brooks Women’s Adrenaline GTS 25 Supportive is better
Price
Brooks offers advanced support features.
Comfort
Brooks has superior cushioning technology.
Sales Rank
Brooks is more popular among serious runners.
Why Under Armour Women's Charged Assert 9, Black/White, 8.5 US is better
Price
Under Armour is significantly cheaper.
Weight
Under Armour is designed to be lightweight.
Aesthetic
Under Armour has a classic look.
Overall score
Specifications
| Spec | Brooks Women’s Adrenaline GTS 25 Supportive | Under Armour Women's Charged Assert 9, Black/White, 8.5 US |
|---|---|---|
| Cushioning | DNA LOFT v3 | Charged Cushioning |
| Upper Material | Engineered Mesh | Lightweight Mesh |
| Support System | GuideRails | Reinforced Overlays |
| Fit | Secure | Plush |
| APMA Seal | Yes | No |
Dimension comparison
Price Comparison
The Brooks Women’s Adrenaline GTS 25 is priced at $132.99, while the Under Armour Women’s Charged Assert 9 is significantly cheaper at $57.95, making it about 57% less expensive. If budget is a primary concern, the Charged Assert 9 presents a more accessible option for those looking to save. The price difference reflects the varying features and target audiences of each shoe. While the Brooks shoe is designed for serious runners and walkers seeking excellent support and cushioning, the Under Armour model caters to casual runners and those looking for a comfortable, everyday shoe.
Features and Technology
The Brooks Women’s Adrenaline GTS 25 excels in features, offering a holistic GuideRails support system designed to keep your body in its natural motion path. It incorporates soft, dynamic nitrogen-infused DNA LOFT v3 cushioning to ensure comfort for miles. In contrast, the Under Armour Women’s Charged Assert 9 features a Charged midsole that provides balanced impact protection but does not offer the same advanced support technology as the Adrenaline GTS 25. While both shoes focus on comfort, the Brooks model is better suited for those who require additional stability during longer runs or walks.
Comfort and Fit
Comfort is paramount in both shoes, but they cater to different needs. The Brooks Women’s Adrenaline GTS 25 features a breathable engineered mesh upper and a flat-knit collar, ensuring a secure and flexible fit. This model is ideal for runners who prioritize stability and plush cushioning during extensive use. On the other hand, the Under Armour Women’s Charged Assert 9 offers a plush step-in feel with foam padding around the ankle and a molded liner for comfort. It is designed for a more casual experience, appealing to those who might not need the extensive support offered by the Brooks shoe.
Weight and Flexibility
Weight and flexibility vary between the two models, impacting their performance in different settings. The Brooks Women’s Adrenaline GTS 25 is designed to provide a smooth transition, ensuring comfort with its specially designed outsole and midsole. While the specific weight is not listed, the shoe's premium cushioning suggests a focus on support rather than minimalism. In contrast, the Under Armour Women’s Charged Assert 9 emphasizes lightweight design with its breathable mesh upper. The flexible tread pattern of the rubber outsole enhances traction, making it more suitable for casual runs and workouts.
Target Audience
The intended audience for each shoe significantly influences their design and features. The Brooks Women’s Adrenaline GTS 25 is specifically designed for runners and walkers needing reliable support and comfort over longer distances. It has even received the APMA Seal of Acceptance, confirming its suitability for promoting good foot health. Conversely, the Under Armour Women’s Charged Assert 9 targets beginner runners and those engaging in light training or casual walking. Its features cater to those seeking comfort without the need for advanced support technologies.
Sales Ranking
In terms of sales ranking, the Brooks Women’s Adrenaline GTS 25 holds a position of 459, while the Under Armour Women’s Charged Assert 9 is ranked at 2002. This indicates that the Adrenaline GTS 25 is more popular among buyers, likely due to its reputation for quality and performance in the running community. The higher sales rank of the Brooks shoe signifies its appeal to serious runners, while the Under Armour model may attract more casual users who prioritize comfort over performance features.
Aesthetic Appeal
When it comes to aesthetics, the Brooks Women’s Adrenaline GTS 25 features a vibrant Spellbound/Blazing Bell/Pink colorway, appealing to those who prefer a bold look. Its design reflects a dedicated running shoe aesthetic. On the other hand, the Under Armour Women’s Charged Assert 9 in Black/White offers a more understated, classic appearance suitable for everyday wear. While both shoes are visually appealing, the choice ultimately comes down to personal style preference and intended use.
Which should you buy?
Choosing between the Brooks Women’s Adrenaline GTS 25 and the Under Armour Women’s Charged Assert 9 hinges on your specific needs and budget. If you are a serious runner seeking advanced support and comfort for long distances, the Brooks shoe is the clear choice despite its higher price. However, if you're a casual runner or looking for a comfortable shoe for light activities, the Under Armour model is an excellent value at approximately $57.95. Ultimately, your choice should reflect your running habits and comfort preferences.

