Brooks Women’s Ariel GTS 24 Supportive Running & vs Brooks Women’s Glycerin 21 Neutral Running Shoe -
Updated August 2026 — Brooks Women’s Ariel GTS 24 Supportive Running & wins on sales rank and support, Brooks Women’s Glycerin 21 Neutral Running Shoe - wins on fit and price.
The Brooks Women’s Ariel GTS 24 offers superior support and stability, making it ideal for those needing extra comfort. The Glycerin 21 excels in plush cushioning for neutral runners.
Why Brooks Women’s Ariel GTS 24 Supportive Running & is better
Support
Ariel GTS 24 provides maximum support with GuideRails technology.
Sales Rank
Ariel GTS 24 has a higher sales rank of 3616 compared to Glycerin 21's 29881.
Stability
Ariel GTS 24 features trusted stability with linear last construction.
Why Brooks Women’s Glycerin 21 Neutral Running Shoe - is better
Cushioning
Glycerin 21 offers supreme softness with enhanced cushioning.
Price
Glycerin 21 is priced at $114.95, making it cheaper.
Fit
Glycerin 21 has a plush internal stretch bootie for a snug fit.
Overall score
Specifications
| Spec | Brooks Women’s Ariel GTS 24 Supportive Running & | Brooks Women’s Glycerin 21 Neutral Running Shoe - |
|---|---|---|
| Brand | Brooks | Brooks |
| Price | $119.95 | $114.95 |
| Cushioning | DNA Loft v3 | DNA Loft v3 |
| Support Type | Supportive | Neutral |
| Sales Rank | 3616 | 29881 |
Dimension comparison
Overview of the Shoes
When comparing the Brooks Women’s Ariel GTS 24 Supportive Running & Walking Shoe and the Brooks Women’s Glycerin 21 Neutral Running Shoe, both options are designed to enhance comfort and performance for female runners. The Ariel GTS 24 is priced at $119.95, while the Glycerin 21 is slightly less expensive at $114.95, making it about 4% cheaper. Each shoe targets a different type of support, catering to different running styles and preferences.
Target Audience
The Brooks Women’s Ariel GTS 24 is aimed at runners and walkers who need maximum support and comfort. It features GuideRails technology to help maintain a natural motion path, making it suitable for those with specific stability needs. Conversely, the Glycerin 21 is designed for runners seeking super-soft cushioning and neutral support, ideal for various activities beyond just running. This distinction makes each shoe appealing to different segments of the running community.
Cushioning Technology
Cushioning is a standout feature for both shoes, but they employ different technologies to achieve comfort. The Ariel GTS 24 utilizes nitrogen-infused DNA Loft v3 cushioning, which adapts to the unique stride of the wearer, providing a soft and durable experience. In contrast, the Glycerin 21 also features the nitrogen-infused DNA Loft v3 cushioning, but it emphasizes a plush internal fit for supreme comfort. While both shoes offer excellent cushioning, the Ariel GTS 24 may be more suitable for those needing extra support.
Stability and Support
Stability is a crucial factor when selecting running shoes, particularly for those with specific motion control needs. The Ariel GTS 24 is equipped with a linear last construction that offers trusted stability, making it an excellent option for individuals who require additional support during their runs. On the other hand, the Glycerin 21 is designed for neutral support, catering to runners who do not overpronate. This fundamental difference in stability features makes the Ariel GTS 24 a better choice for runners seeking maximum support.
Fit and Comfort
The fit and comfort of each shoe are tailored to their respective audiences. The Ariel GTS 24 boasts an engineered upper designed for a generous and roomy fit, ensuring comfort during long runs or walks. In contrast, the Glycerin 21 features a plush internal stretch bootie that conforms to the foot, providing a snug feel while allowing for movement with each stride. Both shoes excel in comfort, but the Glycerin 21 may appeal more to those who prioritize a soft, accommodating fit.
Design and Aesthetics
Aesthetically, both shoes carry the signature Brooks design ethos but come in different colorways. The Ariel GTS 24 is available in a Coconut/Chateau/Portabella combination, while the Glycerin 21 is presented in a sleek Black/Grey/White palette. This variety allows consumers to select a shoe that fits their personal style better. The design does not impact performance directly but can influence a buyer's decision based on personal taste.
Price and Value
The price of the Brooks Women’s Ariel GTS 24 is set at $119.95, while the Glycerin 21 is priced at $114.95, making it approximately $5 cheaper. Considering the features and technology in both shoes, the Ariel GTS 24 may be perceived as offering greater value for those needing extra support, especially with its higher sales rank of 3616 compared to the Glycerin 21’s rank of 29881. This could indicate that more consumers favor the Ariel GTS 24 for its supportive features, potentially justifying the price difference.
Which should you buy?
Choosing between the Brooks Women’s Ariel GTS 24 and the Glycerin 21 ultimately depends on your specific needs and preferences. If you require maximum support and stability, the Ariel GTS 24 is the clear winner, offering features tailored to runners and walkers who prioritize comfort and motion control. However, if you seek a neutral running shoe with luxurious cushioning, the Glycerin 21 is a fantastic option at a slightly lower price. Consider your running style and comfort preferences to make the best choice for your footwear needs.

