The external mudguard provides a barrier against side-to-side movement on unstable surfaces, amazon in running shoes.

What's new:
FF BLAST PLUS midsole foam has been upgraded to full-length FF BLAST MAX cushioning for a more energized ride.
A bouncy, trampoline-inspired forefoot pod is strategically placed in the outsole, delivering an amplified toe-off with added stability.
A new engineered woven upper offers an improved fit with added stretch, ventilation, and durability.
A new asymmetrical tongue delivers improved midfoot comfort.

Whats familiar:
The 3D GUIDANCE SYSTEM guides your feet forward with adaptive stability from landing through toe-off.

PureGEL technology placed under the heel offers shock absorption and soft, cushioned landings.

A step toward better foot health
The GT-2000 14 shoe joins our collection of running shoes with the American Podiatric Medical Association (APMA) Seal of Acceptance. This means it was carefully evaluated by a committee of podiatrists doctors who specialize in treating the foot, ankle, and structures of the leg to ensure that it promotes good foot health.

A dynamic upper system adapts to swelling during activity, maintaining consistent comfort, best shoes for treadmill walking and running.