Brooks Glycerin Flex Trainers - Black/Blue - 4

The Brooks Glycerin Flex is a premium cushioned running shoe designed to deliver a smooth, natural...

Best current price£164.99from Lovell Sports UK

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Lovell Sports UKBrooks Women's Black/Blue Glycerin Flex Neutral Road Running Shoes - 4 (37)
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£164.99
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Sports Direct UKBrooks Women's Black Glycerin Flex Neutral Road Running Shoes in Size 4, Sports Direct
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£164.99
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Product Information

Full details

The Brooks Glycerin Flex is a premium, neutral road running shoe engineered for runners who prioritize a plush, cushioned feel paired with natural flexibility. Featuring advanced DNA Tuned nitrogen-infused midsole technology, these trainers provide a responsive ride that adapts to your stride, though their highly flexible construction may feel less supportive for those requiring heavy stability features.

All features

Age Groupadult
ColourBlack
GenderFemale
Shoe Size UK4
Accent ColourBlue
Shoe TypeTrainers
SeriesGlycerin Flex
Model Part Number00776288
BrandBrooks

Extended Product Information

FAQs

Are these shoes good for flat feet?

The Glycerin Flex is a neutral shoe. If you have flat feet and require significant arch support, you may find them too soft or lacking the necessary stability.

Can I use these for trail running?

These shoes are designed specifically for road and hard surface running. They do not have the rugged outsole required for loose dirt or rocky terrain.

How often should I replace them?

Generally, running shoes should be replaced every 300 to 500 miles, depending on your weight, running surface, and individual gait.

Is the upper material waterproof?

No, the flat-knit upper is designed for maximum breathability and does not feature waterproof or water-resistant coatings.

What does 'neutral' mean in this context?

Neutral refers to the shoe's design for runners who do not over-pronate or under-pronate significantly, meaning they do not require extra corrective structural posts in the midsole.

Troubleshooting

Foot slipping inside the shoe

Adjust the laces using the 'runner's loop' or heel-lock lacing technique to better secure the ankle.

Material feeling tight after long runs

Loosen the lacing across the midfoot before your run to allow for normal foot expansion.

Midsole feeling less responsive over time

Ensure the shoes have 24-48 hours of rest between runs to allow the nitrogen-infused foam to recover its shape.

Pros and Cons

Pros

  • Excellent cushioning for daily mileage
  • Highly flexible for a more natural running sensation
  • Breathable flat-knit upper prevents overheating
  • Responsive nitrogen-infused midsole provides energy return

Cons

  • Not suitable for runners needing significant arch support or stability
  • Flexibility may be too soft for high-speed track workouts
  • Limited to road and hard surface usage

Setup, Compatibility & Care

Before your first run, ensure the fit is snug but allows for a thumb's width of space in the toe box to accommodate natural foot swelling during exercise. For ongoing maintenance, avoid putting the trainers in a washing machine or dryer, as high heat can degrade the midsole's nitrogen-infused cell structure. Instead, clean the exterior with a soft brush and mild soap, then allow the shoes to air dry away from direct sunlight. To maximize the longevity of the cushioning, rotate these with another pair of running shoes to allow the foam to decompress fully between uses.

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