# TLDR Review: Brooks Glycerin GTS 21

*Published: 2026-01-01 | Updated: 2026-01-01 | Source: https://shopsavvy.com/reviews-tldr/brooks-glycerin-gts-21*

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## Product: Brooks Glycerin GTS 21
**Brand:** Brooks

## Pros
- Exceptional cushioning that feels plush yet responsive, perfect for extended wear and long-distance running
- Strong arch support and pronation control that effectively reduces knee pain compared to competitors like Hoka and Asics
- Excellent durability with soles remaining in excellent condition after 500+ miles of use
- True to size with a roomy toe box that accommodates wide feet comfortably, even for those without particularly wide feet
- Reliable performance as both a daily trainer and for work wear
- Compatible with custom orthotics and cushioned socks for personalized comfort
- Exceptional value for the price given the quality and longevity
- Consistent quality maintained across multiple generations of Brooks shoes

## Cons
- Limited color options available in certain sizes, so your preferred shade may not be in stock
- Color may appear slightly lighter than pictured online, so verify the shade before purchasing
- Effective cushioning without being overly soft may not appeal to those seeking maximum plushness

## Bottom Line

The Brooks Glycerin GTS 21 is an excellent choice if you need a supportive running shoe that doesn't sacrifice comfort. The combination of strong arch support, impressive durability, and cloud-like cushioning makes it particularly well-suited for daily training, overpronation, and anyone dealing with knee pain. At this price point, you're getting exceptional value from a brand known for consistency. Just keep in mind the color may be slightly different than shown online, and availability in your preferred shade could be limited—but if you can work with the available options, this shoe delivers.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Exceptional cushioning that feels plush yet responsive, perfect for extended wear and long-distance running | Limited color options available in certain sizes, so your preferred shade may not be in stock |
| Strong arch support and pronation control that effectively reduces knee pain compared to competitors like Hoka and Asics | Color may appear slightly lighter than pictured online, so verify the shade before purchasing |
| Excellent durability with soles remaining in excellent condition after 500+ miles of use | Effective cushioning without being overly soft may not appeal to those seeking maximum plushness |
| True to size with a roomy toe box that accommodates wide feet comfortably, even for those without particularly wide feet |  |
| Reliable performance as both a daily trainer and for work wear |  |
| Compatible with custom orthotics and cushioned socks for personalized comfort |  |
| Exceptional value for the price given the quality and longevity |  |
| Consistent quality maintained across multiple generations of Brooks shoes |  |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*