Brooks Glycerin Flex Trainers - Grey/Black - UK 6.5

The Glycerin Flex are designed for runners seeking maximum comfort on asphalt. Thanks to innovativ...

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Product Information

Full details

The Brooks Glycerin Flex trainers are designed for neutral runners who prioritize maximum comfort and adaptability during road training. These shoes excel at providing a soft, responsive ride, though their specialized cushioning may feel less firm than traditional racing flats. With a lightweight design and nitrogen-infused technology, they are an ideal companion for daily miles on asphalt.

All features

Age Groupadult
ColourGrey
GenderFemale
Shoe Size UK6.5
Accent ColourBlack
Shoe TypeTrainers
SeriesGlycerin Flex
Model Part Number1104781D093-40
BrandBrooks

Extended Product Information

FAQs

Are these shoes suitable for overpronation?

The Brooks Glycerin Flex is a neutral trainer. It does not contain specific medial support components for severe overpronation.

Can I use these for marathon training?

Yes, they are highly capable of handling the mileage requirements of marathon training due to their lightweight and comfortable cushioning.

How often should I replace these trainers?

Generally, running shoes like the Glycerin Flex should be replaced every 300 to 500 miles, depending on your running style and surface conditions.

Are they water-resistant?

No, they feature a breathable upper designed for airflow and are not water-resistant or waterproof.

What does the 6mm drop mean?

The drop refers to the height difference between the heel and the forefoot. A 6mm drop is considered a moderate, versatile height for most road runners.

Can I replace the insole with custom orthotics?

Yes, the stock insole is removable, allowing you to insert your own custom orthotics if needed.

Troubleshooting

Feeling of slippage in the heel

Try the 'runner's loop' or heel-lock lacing method to secure the midfoot and prevent unnecessary movement.

Outer sole wearing down faster than expected

Ensure you are using the shoes primarily on asphalt and avoid dragging your feet during your stride.

Shoes feel tight after a long run

Feet naturally swell during exercise; consider loosening the laces slightly mid-run or ensuring you have a thumb's width of space in the toe box.

Pros and Cons

Pros

  • Exceptionally soft underfoot feel
  • Lightweight build reduces weight on long runs
  • High adaptability to different road conditions
  • Flexible design supports natural foot movement

Cons

  • Not suitable for technical trail surfaces
  • Cushioning profile may be too soft for speed-focused interval training
  • Limited to neutral gait patterns

Setup, Compatibility & Care

To ensure the longevity of your Brooks Glycerin Flex trainers, follow these guidelines:

  • Break-in Period: While these shoes offer comfort right out of the box, perform a few short walks or light runs to allow the foam to compress to your specific gait.
  • Surface Compatibility: Stick to asphalt, pavement, and well-maintained track surfaces. Avoid rocky or muddy trails as the outsole pattern is optimized for road traction.
  • Cleaning: Remove loose dirt with a soft brush after use. If the uppers become soiled, wipe them with a damp cloth and mild soap. Never machine wash or tumble dry your trainers, as high heat can damage the nitrogen-infused foam and adhesives.
  • Storage: Store in a cool, dry place away from direct sunlight to prevent premature material breakdown.