A relatively young upstart in the world of running shoes, Altra was founded in 2009 ... but it isn’t as responsive. Ego Pro is Altra’s top-shelf foam, and it’s made of thermoplastic ...

Altra’s Lone Peak 9+ swaps out the in-house outsole rubber for Vibram Megagrip, one of the top outsole compounds for trail running. “Most of my runs in the shoe were on snowy, slippery ...