Altra Women's Lone Peak 9 Heart Rate and 6 mg calcium per

and 6 mg calcium per hour

Great to Know

NEW: improved the upper by streamlining the construction to a single

UV-activated shades that go from off-white to brazen purple & acid yellow in the sun

Altra Women's Lone Peak 9 Heart Rate and 6 mg calcium perTake on legendary adventures in a shoe designed to keep up. A new reengineered the upper for more durability, improved midsole, and an updated outsole for more grip. The revised midsole foam is lighter weight and designed to deliver a comfortable connection to the ground. No sew overlays and a 100% recycled ripstop mesh upper are made for high mileage durability while an improved outsole offers sticky underfoot grip. Get that classic Altra feel with