Brooks Glycerin Flex Trainers - Blue - UK 11

The Glycerin Flex is primarily a neutral trainer. If you have flat feet and require significant arch support or stability features, consult a professional to see if you need additional orthotics.

Yes, their balance of cushioning and flexibility makes them a solid choice for high-mileage training blocks.

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

No, the trainers feature a breathable upper designed for airflow, which means they are not waterproof.

Yes, they generally follow standard sizing; however, always measure your feet in the afternoon when they are at their largest.

Try a 'runner's loop' or heel-lock lacing technique using the top eyelets to secure the ankle.

Loosen the lacing across the midfoot area before starting your run to allow for natural foot expansion.

Foam needs roughly 24 hours of rest between runs to fully rebound; consider rotating two pairs if you run daily.