- New knit upper with more perforations: Increases breathability while maintaining comfort and a secure fit
- Newly added PU insole and Dri-Lex® Dri-Freeze heel liner: Provides more comfort and a better feel on foot
- Altra EGO™ midsole and outsole: Provides a responsive, yet soft and flexible feel for increased energy return
- INNERFLEX™: Provides grooves in midsole which allow your foot to to flex for more speed
- Footshape™: Allows the toes to relax and spread out naturally enhancing stability