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Topo Athletic Women's Magnifly 5 Comfortable vs Under Armour Women's Charged Assert 9, Black/White, 8.5 US

Updated August 2026 — Topo Athletic Women's Magnifly 5 Comfortable leads on price and comfort.

The Topo Athletic Women's Magnifly 5 is better suited for serious runners, while the Under Armour Women's Charged Assert 9 offers great value for casual runners.

Why Topo Athletic Women's Magnifly 5 Comfortable is better

Performance

Innovative ZipFoam midsole enhances responsiveness.

Design

Zero-drop design promotes a natural stride.

Breathability

Recycled mesh upper provides excellent airflow.

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

Price

Significantly cheaper at $57.95.

Comfort

Plush step-in feel with foam padding.

Versatility

Suitable for casual wear and workouts.

Overall score

Topo Athletic Women's Magnifly 5 Comfortable
85
Under Armour Women's Charged Assert 9, Black/White, 8.5 US
75

Specifications

SpecTopo Athletic Women's Magnifly 5 ComfortableUnder Armour Women's Charged Assert 9, Black/White, 8.5 US
BrandTopo AthleticUnder Armour
ModelMagnifly 5Charged Assert 9
Drop0mm10mm
CushioningZipFoamCharged Cushioning
UpperRecycled MeshEngineered Mesh

Dimension comparison

Topo Athletic Women's Magnifly 5 ComfortableUnder Armour Women's Charged Assert 9, Black/White, 8.5 US

Price Comparison

The Topo Athletic Women's Magnifly 5 is priced at $99.94, while the Under Armour Women's Charged Assert 9 comes in significantly cheaper at $57.95, making it about 42% less expensive. This price difference may influence budget-conscious buyers looking for quality running shoes without breaking the bank. Despite the higher price tag, the Magnifly 5 offers features that could justify its cost for serious runners, including a zero-drop design and advanced cushioning technology. However, for casual runners or those new to the sport, the Charged Assert 9 presents a compelling value proposition with its affordable price point.

Comfort and Fit

When it comes to comfort, both shoes prioritize a comfortable fit, but they approach it differently. The Topo Athletic Women's Magnifly 5 emphasizes a cushioned midsole and breathable recycled mesh upper, designed for long-distance running and walking. This shoe's zero-drop design promotes a natural stride, appealing to those who value biomechanics. In contrast, the Under Armour Women's Charged Assert 9 features foam padding around the ankle and a comfortable sockliner that molds to the foot, ensuring a plush feel right out of the box. This makes the Charged Assert 9 a smart choice for those who prefer a softer, more cushioned ride from their first use.

Breathability

Breathability is crucial for running shoes, and both the Magnifly 5 and Charged Assert 9 excel in this area. The Topo Athletic model boasts a recycled mesh upper that enhances airflow, ensuring that feet stay cool during extended wear. Meanwhile, the Under Armour shoe is crafted with lightweight mesh that boosts airflow as well, making it suitable for warm-weather activities. While both options provide excellent ventilation, the Magnifly 5 may edge out slightly for serious runners who need that extra breathability during long runs, given its specific design focus on running performance.

Support and Stability

In terms of support, the Topo Athletic Women's Magnifly 5 focuses on a neutral platform with its zero-drop feature, promoting a balanced gait. This design is particularly beneficial for those who are accustomed to natural running styles. On the other hand, the Under Armour Women's Charged Assert 9 incorporates reinforced overlays for enhanced stability, helping runners feel centered during their strides. This additional support may be particularly appealing to novice runners or those looking for reassurance during light training or longer walks. Both shoes offer support, but their approaches cater to slightly different runner needs.

Performance During Runs

Performance is a critical factor for runners, and the Topo Athletic Women's Magnifly 5 is built for serious running. Its innovative ZipFoam midsole provides responsiveness, which is essential for an enjoyable running experience on both roads and trails. In contrast, the Under Armour Women's Charged Assert 9 is designed to deliver a balanced impact protection, making it more suitable for casual runs or workouts. The Charged Assert 9 also incorporates a tire-inspired outsole for superior traction and flexibility, making it a versatile choice for everyday wear. Runners looking for performance might lean towards the Magnifly 5, while those seeking versatility may prefer the Charged Assert 9.

Weight

The weight of running shoes can significantly impact performance, especially over long distances. While specific weight details were not provided, we can infer from the descriptions that the Topo Athletic Women's Magnifly 5 is designed to be lightweight, prioritizing a breathable fit for long runs. The Under Armour Women's Charged Assert 9 also emphasizes lightweight construction, making it a strong contender for quick workouts and daily activities. Runners should consider how each shoe feels during wear, as the perceived weight can vary based on personal preference and running style.

Style and Aesthetics

When it comes to style, personal preference plays a significant role. The Topo Athletic Women's Magnifly 5 features a sleek, athletic design in a charcoal and black color scheme, appealing to those who appreciate a minimalist look. Meanwhile, the Under Armour Women's Charged Assert 9 presents a classic black and white color combination that offers versatility for casual wear. Both shoes have their aesthetic merits, but the choice ultimately depends on the wearer's individual taste and intended use, whether for running or everyday fashion.

Which should you buy?

Deciding between the Topo Athletic Women's Magnifly 5 and the Under Armour Women's Charged Assert 9 largely depends on your running needs and budget. The Magnifly 5, priced at $99.94, is a better choice for serious runners looking for performance features like a zero-drop design and superior cushioning. Conversely, the Charged Assert 9, at $57.95, offers an excellent value for those who prioritize comfort and affordability, making it ideal for casual runners or beginners. Ultimately, the right choice boils down to your specific running habits and preferences, ensuring that you find the perfect fit for your active lifestyle.