Altra M Provision 4 Size:Mens 13 Constructed with a cushioned EVA

Constructed with a cushioned EVA footbed and a lugged rubber outsole to provide grip and traction for different terrains

- 2 open hand

A carbon fiber-injected composite shank improves power transfer

or crank arms

Engineered to keep your knees fresh even after repeated landings on the hardpack

Altra M Provision 4 Size:Mens 13 Constructed with a cushioned EVAWhat do you get when you combine support, cushion and comfort? The Provision 4. This updated model exemplifies the evolution of technical support in running shoes through our revolutionary dynamic arch feature, InnovArch. This innovative feature forms a link from your head to your feet, inspiring an awareness that naturally encourages a better step cycle. Pair that with the tried and true Guide Rail technology and youre ready to move more naturally