Brooks Glycerin Flex reviews: 4.6/5 based on 23 analyzed reviews from 2 sites, updated November 8, 2026.
Praised: high-performance cushioning and comfortable upper. Criticized: pebble-trapping sole.
Review summary
Written by Augur from the 23 reviews analyzed
The Brooks Glycerin Flex is a road running shoe particularly appreciated for its excellent cushioning and remarkable step-in comfort. Runners highlight the flexibility of its upper, which wraps the foot pleasantly throughout runs. Additionally, it offers a very satisfying responsiveness that makes it versatile for various training paces.… However, some users report that the flexible outsole design tends to trap small pebbles when running on gravel paths.
What buyers talk about most
+Strength : High-performance cushioningThe shoe provides cushioning that is highly comfortable, protective, and responsive on pavement.
+Strength : Comfortable upperThe internal structure ensures a plush feel and consistent running comfort, even over long distances.
+Strength : Responsiveness and versatilityIt combines great flexibility with efficient energy return suitable for different types of workouts.
−Weakness : Pebble-trapping soleThe flex grooves of the outsole sometimes trap small gravel during the run.