Joe SheryakVideo · Mar 20, 2026INFERRED
The reviewer gives the Brooks Glycerin Flex a big thumbs up, calling it a better version of the Glycerin that excels for daily easy runs and tempo workouts.
Brooks
Glycerin Flex
Super trainer · Neutral · 249 g · 6 mm drop · MSRP $170
$125.34 at Sporteis$17026% off today
Critic consensus
from 7 reviewsThe Brooks Glycerin Flex offers a natural, highly flexible ride that departs from rigid modern daily trainers while retaining plenty of protective cushioning. It features a comfortable knit upper and a decoupled sole that allows the foot to articulate freely. The shoe best suits neutral runners wanting a relaxed, flexible option for easy miles and moderate daily runs.
Reviewers agree
Exceptional flexibility allows the foot to move naturally7/7
Comfortable knit upper fits securely true to size6/7
Generous rubber coverage ensures good outsole durability5/7
Non-gusseted tongue can slide and needs manual adjustment3/7
Reviewers disagree
Responsiveness and energy return at faster paces5 vs 2
Outsole traction on wet surfaces1 vs 2
What reviewers use it for
Easy6 of 7
Tempo5 of 7
Long run4 of 7
Race0 of 7 · no tag
A shoe earns a tag as soon as one reviewer recommends it for that kind of run; the count shows how many agree. Mentions include synonyms, so “recovery”, “zone 2” and “conversational” all count toward Easy.
Critic reviews
7 reviews · 7 scores inferredBelieve in the RunVideo · Mar 18, 2026INFERRED
A breath of fresh air in the daily trainer market, showcasing Brooks' innovative spirit.
Alastair RunningVideo · Mar 20, 2026INFERRED
A very innovative shoe that nails it for the most part, offering a unique, natural, bouncy, protective, and stable experience.
KofuziVideo · Mar 13, 2026INFERRED
The Glycerin Flex is definitely not a gimmick; it's an interesting and enjoyable shoe that the reviewer likes more than the standard Glycerin 22.
The Run TestersVideo · Mar 20, 2026INFERRED
A very solid and comfortable daily trainer, representing an interesting step in innovation from Brooks.
Race Day RunningVideo · Mar 20, 2026INFERRED
It's a great shoe for recovery, long relaxed efforts, and steady miles, providing comfort and natural movement.
Meta EnduranceVideo · Mar 20, 2026INFERRED
The Brooks Glycerin Flex is a fun, natural-feeling running shoe that offers versatility for various paces and activities.