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AVAILABLE FOR PREORDER
Select Colour
Limited edition
Sale 085 - Grey/Frost Grey/Champagne
Select Width
Free* standard shipping & returns, always.
Brooks Run Happy Promise
Our goal is to make each run better than the last. The gear we offer should improve your miles. So if you’re not happy with a product, then we’re not happy either.
90-day trial run — our guarantee
We think you’ll love our products because thousands of other runners already do. So take our gear for a 90-day test run. If you don’t love it, return it for free. Really.
Our return policy
If you buy gear from us today, you have 90 days to wear it all you want and still return it if you don’t love it.
Free standard shipping
Free* standard shipping on all orders over £100. Orders under £100 are charged a £5 shipping fee. Returns are always for free.
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 softness and sleek style
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.
Find your flow
Smooth, stable transitions
The broad platform stabilises your foot and promotes smooth heel-to-toe transitions.
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
277.8g
297.7g
263.7g
283.5g
Support Level
Neutral
Support
Neutral
Support
Let's see how Glycerin 20 and Glycerin 21 stack up.
This depends on how your body moves during your run.