ASICS Women's Gel-Nimbus 27 Running Shoes, 8.5, vs Under Armour Women's Charged Assert 9, Black/White, 8.5 US
Updated August 2026 — ASICS Women's Gel-Nimbus 27 Running Shoes, 8.5, wins on comfort and cushioning, Under Armour Women's Charged Assert 9, Black/White, 8.5 US wins on breathability and traction.
The ASICS Women's Gel-Nimbus 27 offers advanced cushioning and sustainability, while the Under Armour Women's Charged Assert 9 is a budget-friendly option with good breathability.
Why ASICS Women's Gel-Nimbus 27 Running Shoes, 8.5, is better
Cushioning
Advanced cushioning technology for comfort during long runs
Sustainability
Made with recycled materials and eco-friendly processes
Performance
Higher sales rank indicating better performance among users
Why Under Armour Women's Charged Assert 9, Black/White, 8.5 US is better
Price
Significantly lower price makes it more accessible
Breathability
Lightweight mesh enhances airflow for cooler runs
Popularity
Slightly higher bestseller rank suggests good market presence
Overall score
Specifications
| Spec | ASICS Women's Gel-Nimbus 27 Running Shoes, 8.5, | Under Armour Women's Charged Assert 9, Black/White, 8.5 US |
|---|---|---|
| Brand | ASICS | Under Armour |
| Upper Material | Jacquard Mesh | Lightweight Mesh |
| Cushioning Tech | PureGEL | Charged Cushioning |
| Weight | Lightweight | Lightweight |
| Fit | Soft Fit | Plush Fit |
Dimension comparison
Overview of the Products
When comparing running shoes, the ASICS Women's Gel-Nimbus 27 and the Under Armour Women's Charged Assert 9 offer two distinct options for runners. The ASICS model is priced at $124.95, while the Under Armour model is significantly lower at $57.95, making it about 53% cheaper. Both shoes are designed for comfort and performance, but they each have unique features that cater to different running styles and preferences.
Design and Aesthetics
The ASICS Women's Gel-Nimbus 27 features an engineered jacquard mesh upper that wraps the foot for a soft feel and is designed in a sleek Black/Lake Grey color scheme. Its focus on sustainability is evident, as at least 75% of the shoe's main upper material is made with recycled content. In contrast, the Under Armour Women's Charged Assert 9 showcases a lightweight mesh upper that enhances breathability and airflow, designed in a classic Black/White combination. Both shoes have appealing aesthetics, but the ASICS model leans towards a more eco-conscious design, which may attract environmentally-aware consumers.
Comfort and Fit
The ASICS Women's Gel-Nimbus 27 prioritizes cushioning with its PureGEL technology and FF BLAST PLUS ECO cushioning, ensuring a softer landing and a more responsive toe-off. This is particularly beneficial for runners who prioritize comfort over long distances. The Under Armour Women's Charged Assert 9 also emphasizes comfort with its soft cushioning provided by the Charged midsole. Additionally, it features foam padding around the ankle for an easy fit without a break-in period. While both shoes offer comfort, the ASICS model appears to focus more on advanced cushioning technologies.
Performance and Support
In terms of performance, the ASICS Women's Gel-Nimbus 27 is engineered for lightweight cushioning, which is crucial for long runs. The shoe's sales rank of 2393 indicates a solid market presence, suggesting it performs well among users. On the other hand, the Under Armour Women's Charged Assert 9 delivers a balanced impact protection system, making it suitable for newer runners or those engaged in lighter training. Its midfoot support with reinforced overlays helps maintain stability. However, its bestseller rank of 2002 suggests it is slightly more popular, which can be an indicator of its performance reliability.
Breathability
Breathability is a significant factor in running shoes, especially during warmer weather. The ASICS Women's Gel-Nimbus 27 features an engineered jacquard mesh upper, which contributes to breathability but does not specifically mention airflow capabilities. In contrast, the Under Armour Women's Charged Assert 9 boasts a lightweight mesh that enhances airflow, keeping feet cooler during runs. For runners who sweat easily or train in hot conditions, the Under Armour model may provide a more favorable experience.
Sustainability
Sustainability is becoming increasingly important for consumers, and the ASICS Women's Gel-Nimbus 27 stands out in this category. With at least 75% of its upper material made from recycled content and a manufacturing process that reduces water usage and carbon emissions, it presents an environmentally friendly choice. The Under Armour Women's Charged Assert 9 does not highlight any specific sustainable practices, making the ASICS model the preferable option for eco-conscious runners.
Price Comparison
When it comes to price, the Under Armour Women's Charged Assert 9 is significantly more affordable at $57.95 compared to the ASICS Women's Gel-Nimbus 27, which retails for $124.95. This represents a difference of about $67, or approximately 53% less for the Under Armour model. This price point makes the Charged Assert 9 a more accessible choice for runners on a budget or those who are just starting out. However, the higher price of the ASICS model may reflect its advanced technology and features.
Which should you buy?
Choosing between the ASICS Women's Gel-Nimbus 27 and the Under Armour Women's Charged Assert 9 ultimately depends on your specific needs as a runner. If you prioritize advanced cushioning, sustainability, and are willing to invest more, the ASICS model is an excellent choice. On the other hand, if you are looking for a budget-friendly option that offers solid performance and breathability, the Under Armour model is worth considering. Both shoes cater to different aspects of running, making either a suitable option based on individual preferences.

