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Pros
Cons
Scoring Comparisons:
Surface(s) this shoe is designed for
Road
Support philosophy of shoe
Stability
Heel-to-toe angle
10mm
Surface(s) this shoe is designed for
28mm
Surface(s) this shoe is designed for
18mm
How much this shoe weighs (roughly)
10.5oz
The Glycerin GTS 21 has major upgrades that offer exceptional comfort and premier cushioning. This version has an additional 2mm of super soft, nitrogen-infused DNA LOFT v3 making it a max-cushioned stability trainer that delivers a great balance between support and comfort. The newly designed upper also contributes to the better fit, with a more breathable and flexible upper, and a padded collar. Some runners report that it might be too snug for some runners with wider feet.
The Glycerin GTS 21’s roadtack rubber outsole is noted for its durability and excellent grip with good tread patterns that withstand tough environments. The shoe performs well on both wet and dry surfaces. Runners appreciate the reliable traction during various weather conditions.
The redesign of the Glycerin GTS 21 with added features contributes to its durability. Runners report that the shoe maintains its structure and performance over many miles of running. Most appreciate that there is no significant wear and tear over time.
The GuideRails® innovative support system has always been Brook’s greatest asset. This technology helps guide the foot and keeps it in place, especially supporting overpronators. With a higher side wall on the lateral side, a soft comfort collar, a wider base, and the GuideRails® technology, the Glycerin GTS 21 is a premium stability daily training shoe that’s perfect for those who need extra support and comfort. Runners praise the shoe’s ability to help with maintaining proper alignment and reducing the risk of injury.
With ample cushioning, a higher side wall, a padded collar, and an improved upper, this shoe offers good protection for long runs and daily activities. However, some users might find it too bulky for shorter, speed-focused runs.
The newly constructed upper provides great breathability and ventilation, keeping the feet cool and dry. Most reviews are positive about the shoe’s breathability, especially during long runs.
The Glycerin GTS 21 comes in a few color options and patterns, although not enough variety to make it a stylish shoe. The design is modern and casual, making it a good option for daily activities beyond running.
For a stability shoe, there is a decent amount of responsiveness and flexibility, allowing for a smooth and comfortable running experience.
The durable roadtack rubber outsole is praised for its durability and traction. There is more rubber filled in on the medial side as well as a higher side wall that provides increased support. The rounded heel also delivers a smooth transition. Overall, the outsole performs well in various conditions and maintains its longevity.
The additional 2mm of super soft, DNA LOFT v3 cushioning in the midsole is what makes this shoe so comfortable. It is highly appreciated for its softness and responsiveness. These features in the midsole contribute to the overall comfort and stability of the shoe.
The newly engineered warp-knit upper is noted for its breathability, secure fit, and luxurious feel. The comfort collar also adds to the soft, plush feeling around the foot. The 3D Fit Print technology provides structure without adding weight, enhancing overall comfort.
The traditional lacing system offers a secure and customizable fit. Runners appreciate the ability to adjust the laces for optimal support and comfort during runs.
Overall, the new and improved Glycerin GTS 21 is a premium, max-cushioned stability daily trainer that offers a great balance between comfort and support. For a stability shoe, there is a decent amount of flexibility and responsiveness. Runners report that while the shoe is very plush and comfortable when walking, there is some firmness to the base when running. The GuideRails® technology does an excellent job of delivering support and stability for various types of runs. For those who are looking for a comfortable and plush stability shoe, the Glycerin GTS 21 is a great choice.
