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ASICS Women's Gel-Kayano 31 Running Shoes, 10, vs Under Armour Women's Charged Surge 4,

Updated August 2026 — ASICS Women's Gel-Kayano 31 Running Shoes, 10, wins on stability and comfort, Under Armour Women's Charged Surge 4, wins on style.

The ASICS Women's Gel-Kayano 31 excels in advanced stability and cushioning, while the Under Armour Women's Charged Surge 4 offers great value and comfort for casual runners.

Why ASICS Women's Gel-Kayano 31 Running Shoes, 10, is better

advanced technology

4D GUIDANCE SYSTEM for stability

cushioning

FF BLAST PLUS ECO for comfort

sales rank

higher rank indicates popularity

Why Under Armour Women's Charged Surge 4, is better

price

58% cheaper than ASICS

weight

lighter at 10.05 oz

sockliner

Deluxe Comfort System for fit

Overall score

ASICS Women's Gel-Kayano 31 Running Shoes, 10,
85
Under Armour Women's Charged Surge 4,
72

Specifications

SpecASICS Women's Gel-Kayano 31 Running Shoes, 10,Under Armour Women's Charged Surge 4,
BrandASICSUnder Armour
ModelGel-Kayano 31Charged Surge 4
Upper MaterialEngineered meshBreathable mesh
MidsoleFF BLAST PLUS ECOCharged Cushioning
Support TypeStabilityNeutral

Dimension comparison

ASICS Women's Gel-Kayano 31 Running Shoes, 10,Under Armour Women's Charged Surge 4,

Overview of ASICS Women's Gel-Kayano 31

The ASICS Women's Gel-Kayano 31 is designed for runners seeking superior comfort and stability. Priced at $124.95, this shoe features an engineered mesh upper that enhances breathability, making it suitable for long-distance training. With a sales rank of 26,176, it’s a popular choice among runners. The shoe incorporates advanced technologies like the 4D GUIDANCE SYSTEM, which provides adaptive stability, and Rearfoot PureGEL technology, offering lightweight cushioning for softer landings. This combination aims to create a supportive stride, ideal for those serious about their running performance.

Overview of Under Armour Women's Charged Surge 4

The Under Armour Women's Charged Surge 4 is a more budget-friendly option at $51.95, making it about 58% cheaper than the ASICS model. This shoe is engineered for comfort and responsiveness, boasting a breathable mesh upper with synthetic overlays for structure. Its sales rank of 2,697 indicates a strong presence in the market, appealing particularly to casual and dedicated runners alike. Enhanced cushioning around the ankle collar ensures superior comfort, while the Charged Cushioning midsole promotes durability and responsiveness, catering to runners who prioritize flexibility and comfort.

Comfort and Fit

When it comes to comfort, both shoes offer distinct advantages. The ASICS Gel-Kayano 31 utilizes FF BLAST PLUS ECO cushioning, which is designed to provide a cloud-like comfort experience. This shoe's knit heel pull tab also facilitates easy on-and-off, enhancing the overall user experience. In contrast, the Under Armour Charged Surge 4 features a Deluxe Comfort System sockliner that molds to the foot for ultimate step-in comfort. Both shoes cater to different preferences, with ASICS focusing on advanced cushioning technology while Under Armour emphasizes a customizable fit through its sockliner design.

Breathability and Support

Breathability is a significant factor for running shoes, and both models excel in this area. The ASICS Gel-Kayano 31's engineered mesh upper is designed to improve airflow, ensuring that feet remain cool during runs. Meanwhile, the Under Armour Charged Surge 4 also features a breathable mesh upper, complemented by synthetic overlays that provide additional support. This balance of breathability and structure makes both options suitable for various weather conditions, ensuring that runners can maintain performance without overheating.

Stability and Performance

For runners focused on stability, the ASICS Gel-Kayano 31 offers the 4D GUIDANCE SYSTEM, which promotes a balanced stride. This feature is particularly beneficial for long-distance runners who need consistent support throughout their run. On the other hand, the Under Armour Charged Surge 4 is classified as a neutral shoe, offering a balance of flexibility and cushioning. This makes it a great choice for those who may not require the same level of stability but still want a reliable performance shoe for various distances.

Durability and Traction

Durability is another crucial component when selecting running shoes. The ASICS Gel-Kayano 31 is built with Rearfoot PureGEL technology, which provides not only cushioning but also enhances the shoe's longevity. The durable rubber outsole of the Under Armour Charged Surge 4 adds traction and stability, allowing for a secure grip on various surfaces. Both shoes are designed for durability, but the ASICS model may have a slight edge due to its advanced cushioning technology aimed at reducing wear over time.

Price Comparison

Price is a pivotal factor for many consumers, and the difference between these two models is significant. The ASICS Gel-Kayano 31 is priced at $124.95, which may deter budget-conscious shoppers. In contrast, the Under Armour Charged Surge 4 is available at $51.95, making it a more accessible option for those looking to save approximately 58%. This price disparity reflects the different target markets for each shoe, with the ASICS model aimed at serious runners willing to invest in advanced technology, while the Under Armour model caters to a broader audience seeking value and comfort.

Which should you buy?

Choosing between the ASICS Women's Gel-Kayano 31 and the Under Armour Women's Charged Surge 4 ultimately depends on your specific running needs and budget. If you prioritize advanced stability, adaptive cushioning, and are willing to invest more, the ASICS Gel-Kayano 31 is an excellent choice. However, if you are looking for a comfortable, budget-friendly option for casual running or everyday wear, the Under Armour Charged Surge 4 offers great value. Consider your running style, comfort preferences, and budget when making your decision.