Nike Women's Pegasus 41 White/White/Pure vs Under Armour Women's Charged Assert 9, Black/White, 8.5 US
Updated August 2026 — Nike Women's Pegasus 41 White/White/Pure leads on style and comfort.
The Nike Women's Pegasus 41 offers advanced cushioning and a modern design, while the Under Armour Women's Charged Assert 9 is a budget-friendly option with solid support. Choose based on your priorities.
Why Nike Women's Pegasus 41 White/White/Pure is better
Cushioning
Nike features advanced ReactX foam and Air Zoom units.
Design
Nike has a sleek, modern aesthetic.
Breathability
Nike's engineered mesh upper enhances airflow.
Why Under Armour Women's Charged Assert 9, Black/White, 8.5 US is better
Price
Under Armour is significantly cheaper.
Comfort
Under Armour offers a plush step-in feel.
Stability
Under Armour has reinforced overlays for better support.
Overall score
Specifications
| Spec | Nike Women's Pegasus 41 White/White/Pure | Under Armour Women's Charged Assert 9, Black/White, 8.5 US |
|---|---|---|
| Brand | Nike | Under Armour |
| Current Price | $111.67 | $57.95 |
| Sales Rank | 29992 | 2002 |
| Upper Material | Engineered Mesh | Lightweight Mesh |
| Midsole | ReactX Foam | Charged Cushioning |
Dimension comparison
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 Nike Women's Pegasus 41, which is priced at $111.67. This means that the Under Armour model is about 48% cheaper than the Nike option. For budget-conscious shoppers, this substantial difference may be a deciding factor, especially for those who are new to running or are looking for a reliable shoe without breaking the bank.
Design and Aesthetics
In terms of design, the Nike Women's Pegasus 41 offers a sleek and modern look with its White/White/Pure Platinum/Metallic Silver color scheme. The engineered mesh upper not only adds to its aesthetic appeal but also enhances breathability, making it a stylish choice for both running and casual wear. Conversely, the Under Armour Women's Charged Assert 9 features a classic Black/White combination, which is versatile and suitable for various activities. While both models have their unique styles, the Nike might appeal more to those who prioritize a contemporary, fresh design.
Comfort and Fit
The comfort level is a critical factor when choosing running shoes, and both the Nike Women's Pegasus 41 and the Under Armour Women's Charged Assert 9 excel in this area, but in different ways. The Nike features a ReactX foam midsole and dual Air Zoom units that provide responsive cushioning, ensuring an energized ride for everyday road running. On the other hand, the Under Armour model focuses on a plush step-in feel, thanks to its foam padding around the ankle and molded liner, which makes for a comfortable fit right out of the box. Depending on personal preference, some may favor the Nike's advanced cushioning technology, while others may appreciate the immediate comfort offered by the Under Armour.
Breathability
Breathability is essential for maintaining comfort during runs, and both shoes have been designed with this in mind. The Nike Women's Pegasus 41 utilizes an upgraded breathable engineered mesh upper that reduces weight and increases airflow, ideal for longer runs. In contrast, the Under Armour Women's Charged Assert 9 also features a lightweight mesh upper that enhances ventilation, keeping feet cooler and more comfortable during workouts. While both options effectively promote breathability, the Nike may have a slight edge for those who prioritize ventilation in their footwear.
Performance
Performance in running shoes is often gauged by cushioning and support, and both models deliver effectively. The Nike Women's Pegasus 41 is designed with responsive cushioning through its dual Air Zoom units, making it suitable for everyday road running, with a focus on energy return. Meanwhile, the Under Armour Women's Charged Assert 9 features a Charged midsole that provides balanced impact protection, making it ideal for newer runners who may require more stability and comfort during their runs. Depending on your running style and experience level, either shoe could cater to your specific performance needs.
Stability and Support
Stability and support are crucial for preventing injuries during physical activities. The Under Armour Women's Charged Assert 9 comes equipped with reinforced overlays that improve stability, helping your foot stay centered during light training or longer walks. This added support can be particularly beneficial for beginners. In contrast, the Nike Women's Pegasus 41 offers a snug fit that enhances overall stability but does not specifically highlight additional support features. If stability is a top concern for you, the Under Armour may be the better choice.
Brand Reputation and Sales Rank
Brand reputation can often influence purchasing decisions, and both Nike and Under Armour have strong followings. The Nike Women's Pegasus 41 has a sales rank of 29,992, indicating its popularity among consumers. Meanwhile, the Under Armour Women's Charged Assert 9 boasts a significantly higher sales rank of 2,002, suggesting it is a bestseller in its category. This could imply that more users favor the Under Armour model, potentially reflecting higher satisfaction levels or better performance among a broader audience.
Which should you buy?
Choosing between the Nike Women's Pegasus 41 and the Under Armour Women's Charged Assert 9 ultimately depends on your specific needs and priorities. If you value advanced cushioning technology and a modern design, the Nike may be worth the higher price of $111.67. However, if you're looking for a comfortable, budget-friendly option with solid support and stability, the Under Armour at $57.95 offers excellent value for money. Consider what aspects are most important for your running experience, and make your decision accordingly.

