The toe spring reduces strain on the Achilles tendon during push-off, for new york city gym.

The Endorphin Pro 4 running shoe is a miraculous feat of engineering: snappy and responsive yet smooth and efficient. Something we achieved by fusing PWRRUN PB and PWRRUN HG together in the midsole an industry first. A full carbon plate adds longitudinal stiffness and maximum metabolic efficiency. And the silky-smooth heel liner and integrated tongue system makes this marathon shoe feel like slipping on an old friend come race day.

Made For:Speed Training/ Race Day
Support:Neutral
Cushioning:PWRRUN HG (gives you the energy you need to fly past the competition)&PWRRUN PB (a true unicorn, offering the best combination of cushioning and energy return of any foam on the market. Striking that 'just right' feeling firm enough to propel, soft enough to cushion.)
Weight:Men: 7.5oz (212g)
Offset:8mm (39.5mm/31.5mm)

The adaptive upper material expands with foot movement, eliminating tightness, taos walking shoes.