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Designed For


Shoe Type



B - Medium


Average to High

Foot Type


Experience supreme softness and maximum comfort in the Brooks Glycerin 21, a premium option for long-distance runs and daily kilometres. It boasts an extra 2mm of ultra-plush, nitrogen-infused DNA Loft v3 and a broad platform that allows the Brooks Glycerin 21 to achieve an ultra-plush ride with smooth transitions that absorb the impact of running. An all-new engineered warp knit upper keeps the weight of the shoe down while providing enhanced structure in crucial areas.


  • 249 Grams
  • 10mm Offset (28mm/18mm)
  • Flat Knit Upper
  • DNA Loft V3
  • RoadTack Rubber
  • Broad Platform

How it fits?

Recommended Size: Fits As Expected For Most People How do we know? Our MyFit 3D fitting technology leverages millions of 3D foot scans and customer purchases, to accurately provide size and fit recommendations.
Average Arch Height This is the amount of space between the highest point of the mid-sole and the ground. Correctly fitting shoes will take the pressure off your feet as your move, and stop the foot from rolling.
Average Heel Width This is the width of the heel in comparison to the midfoot. A narrow heel will be slimmer than the midfoot whilst a wider heel will be broader than the midfoot. If a shoe is too deep across the instep it can encourage excess movement. If the shoe is too shallow, it will be too tight and will irritate the top of the foot.
Average Foot Height This is the highest point of your foot (called the midfoot and often found underneath the laces) and the ground. Correctly fitting shoes provide stability at the heel and will ensure there is no slipping or irritation at the Achilles tendon.
Average Foot Width This is the widest point of your feet, generally the forefoot. A shoe that is too tight can lead to tension, blisters, and irritation at the ball of the foot. A shoe that is too loose will decrease stability and can encourage side-to-side movement and rolling.




Updated flat knit upper offers a blend of stretch and compression that moves with your foot.


Made from a blend of rubber and recycled silica Brooks RoadTack rubber is durable and resilient against compression.


Featuring a plush nitrogen-infused DNA LOFT v3 midsole, Brooks' softest cushioning is optimised to be lightweight, responsive, and durable for unmatched comfort. The innovative GuideRail technology supports your body in its natural motion path to stabilise any excess movement.


Premium materials used in the tongue and collar to achieve plush cushioning for maximum comfort.
Need help finding your fit?


Delivery & Returns

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Click & Collect

    • Pay online and collect in-store in as little as 6 hours^.
  • There's no additional cost to Click & Collect your order, and no delivery charges.
  • No minimum or maximum purchase amount or product size.
  • Your order will be ready for collection from your nominated store *during business hours, subject to availability.
  • You will be contacted directly via your provided contact details once your order is ready to collect.
  • Beat the queues! Click & Collect orders will be held for up to 21 days.

Same day dispatch for all orders placed before 11am.

Location Delivery Time Cost
NSW / ACT 1-3 business days FREE*
VIC / QLD 1-3 business days FREE*
SA / TAS 1-3 business days FREE*
WA / NT 1-3 business days FREE*

*Free delivery applies to orders over $150. Please allow additional 1-4 business days on top of the above allocated times for regional areas.

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This product qualifies for 30 day free returns.


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