Running from the heel to just shy of the toe end, this Air Zoom unit delivers what Nike says is the most ... knit that continues to use the Pegasus 40's midfoot containment system and is ...

The Nike Pegasus 40 caters to different foot sizes with options in standard ... alleviate pressure caused by foot swelling over long runs. The inclusion of a Zoom Air unit in the forefoot enhances ...

The shoe comes with some key new upgrades from the Pegasus 40 ... Nike's ReactX foam (the company says the responsive cushioning improves energy return by 13%). The shoe also has Nike Air Zoom ...