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AVAILABLE FOR PREORDER
Select Colour
Sale 135 - White/Grey/Black
APMA Seal of Acceptance
APMA Seal of Acceptance
APMA Seal of Acceptance
The American Podiatry Medical Association (APMA) Seal of Acceptance recognises products that promote good foot health. At Brooks, products across seven of our key franchises feature the APMA Seal of Acceptance. This Achievement highlights our leadership in biomechanical research for runners and anyone who spends extended time on their feet.
Super soft. Supportive. Super sleek.
Cushy comfort
Supreme softness
Compared to the Glycerin 20, the Glycerin 21 features 2mm more of our super-soft, nitrogen-infused DNA LOFT v3 cushioning to maximise softness.
Sleek and stealthy feel
Updated adaptable fit
The updated, soft flat knit upper offers a blend of stretch and compression that moves with your foot.
Stay in your stride
Smart support
Our innovative GuideRails® technology supports your body in its natural motion path while keeping excess movement in check.
Compare
Cushion Level
Most
Most
Most
Most
Midsole Drop
10mm
10mm
10mm
10mm
Features
Soft and Smooth
Soft and Supportive
Soft and Adaptable
Adaptable and Supportive
Weight
266.5g
252.3g
235.3g
252.3g
Support Level
Neutral
Support
Neutral
Support
Let's see how Glycerin 21 and Glycerin 20 stack up.
This depends on how your body moves during your run.