Nike Women's Run Defy Road Running Shoes, vs Under Armour Women's Charged Surge 4,
Updated August 2026 — Nike Women's Run Defy Road Running Shoes, wins on style, Under Armour Women's Charged Surge 4, wins on support and comfort.
The Under Armour Women's Charged Surge 4 offers better value and comfort features, making it the preferred choice for budget-conscious runners. However, the Nike Women's Run Defy excels in aesthetics and cushioning.
Why Nike Women's Run Defy Road Running Shoes, is better
Aesthetics
Nike has a classic design.
Cushioning
Nike's foam midsole provides a soft ride.
Traction
Nike's waffle outsole enhances grip.
Why Under Armour Women's Charged Surge 4, is better
Price
Under Armour is $13.05 cheaper.
Comfort
Under Armour features a deluxe sockliner.
Popularity
Under Armour has a better sales rank.
Overall score
Specifications
| Spec | Nike Women's Run Defy Road Running Shoes, | Under Armour Women's Charged Surge 4, |
|---|---|---|
| Brand | Nike | Under Armour |
| Model | Run Defy | Charged Surge 4 |
| Upper | Mesh | Mesh & Synthetic |
| Midsole | Foam | Charged Cushioning |
| Outsole | Waffle | Rubber |
Dimension comparison
Price Comparison
The Nike Women's Run Defy Road Running Shoes are priced at $65.00, while the Under Armour Women's Charged Surge 4 is available for $51.95, making the Under Armour option about 17% cheaper. If budget is a primary consideration for you, the Under Armour shoes offer a significant cost advantage. Additionally, the average price over the last 90 days for the Nike model is $63.08, indicating that the current price is slightly above the average, while the Under Armour model has a recent average of $53.09, which suggests it has been more consistently affordable.
Design and Aesthetics
In terms of design, both shoes offer unique aesthetics suited for different tastes. The Nike Women's Run Defy features a clean, minimalist look with a white and platinum-black color scheme, appealing to those who prefer a classic style. On the other hand, the Under Armour Women's Charged Surge 4 combines white with distant gray and metallic silver accents, presenting a more modern and sporty appearance. While personal preference will ultimately dictate which design appeals more, both shoes are designed to be visually appealing and functional for running.
Comfort and Fit
Comfort is a crucial aspect for runners, and both shoes deliver in this area but with different approaches. The Nike Women's Run Defy emphasizes a soft ride with its foam midsole and a breathable mesh upper that enhances airflow. Meanwhile, the Under Armour Women's Charged Surge 4 features an enhanced cushioning system around the ankle collar and a deluxe comfort sockliner that molds to the foot, providing a customized fit. While both shoes aim to prioritize comfort, the Under Armour model may offer a more personalized feel due to its sockliner technology.
Performance and Traction
When it comes to performance, both shoes are engineered for running but incorporate different technologies. The Nike Women's Run Defy includes flex grooves for a cushioned running experience and a durable waffle outsole that enhances traction. Conversely, the Under Armour Women's Charged Surge 4 is equipped with Charged Cushioning technology that promotes responsiveness and durability, along with a durable rubber outsole designed for flexibility during toe-off. Both models excel in traction, but the Nike's outsole design may provide slightly better grip on various surfaces.
Breathability
Breathability is vital for maintaining comfort during long runs, and both shoes incorporate mesh materials in their designs. The Nike Women's Run Defy has a mesh upper that allows for effective airflow, keeping the feet cool. Similarly, the Under Armour Women's Charged Surge 4 also features a breathable mesh upper, enhanced with synthetic overlays for added structure and support. While both shoes prioritize breathability, the Nike model's emphasis on mesh construction may give it an edge for those particularly focused on ventilation.
Weight
Weight can play a significant role in running performance, and here we see differences that may affect your choice. The Under Armour Women's Charged Surge 4 weighs 10.05 ounces, making it a lightweight option ideal for runners looking for speed. In contrast, the weight of the Nike Women's Run Defy is not specified, but it is generally perceived to be slightly heavier due to its more substantial foam midsole. If you're aiming for a faster, more agile running experience, the Under Armour model's lighter build may be more advantageous.
Popularity and Sales Rank
Popularity can often indicate consumer satisfaction, and when considering sales ranks, the Under Armour Women's Charged Surge 4 significantly outperforms the Nike model. With a sales rank of 2697, the Under Armour model is currently more favored among buyers compared to the Nike Women's Run Defy, which has a sales rank of 11383. This difference in rankings suggests that the Under Armour shoes might be a more trusted choice among runners looking for reliable performance and comfort.
Which should you buy?
Deciding between the Nike Women's Run Defy Road Running Shoes and the Under Armour Women's Charged Surge 4 ultimately depends on your individual needs as a runner. If budget is a key factor, the Under Armour model stands out as the more economical choice at $51.95. For those prioritizing custom comfort and a lighter feel, the Under Armour's design may be more suitable. Conversely, if you value classic aesthetics and a slightly more cushioned ride, the Nike option could be preferable. Each shoe has its merits, making your personal preferences and running style the deciding factors.

