Altra M Provision 4

What 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 you’re ready to move more naturally and comfortably.