Altra Torin 9 men's Sale The Bicarb System is not

The Bicarb System is not one-size-fits-all

Cadence-style runners change cadence easier as they run faster

Energy That Matches Your Effort

Equally capable during long

more flexible fit

Altra Torin 9 men's Sale The Bicarb System is notFLAT OUT SOFT SPEED. Tap into unique comfort with the Torin 9. Its responsive, soft, and performance focused, so you can be uniquely you on your next road run. With an all new durable Vibram XS DURA rubber outsole, its 8. 5% grippier than the Torin 8 and made for whatever the road throws your way. An all new P35X dual density foam is built to deliver an energetic, cushioned underfoot feel by combining a soft foam with a firmer one for a stable and