The Altra Lone Peak is a perennial favorite of both trail runners and thru-hikers. The Lone Peak 9 is the most recent iteration, and I’ve been testing them this season on trails around Montana ...

The Lone Peak 9+ is essentially the Lone Peak 9, but instead of using Altra's proprietary MaxTrac outsole, the brand slapped the ever-so-reliable Vibram Megagrip outsole on the former.

The Altra Lone Peak 9 refines its popular design with improved traction, added durability and updated cushioning. Here's how it performed after miles of trail testing.

Since its 2001 debut, the Lone Peak has been one of Altra’s most popular shoes—especially among thru-hikers and ultra-distance trail runners—with a growing following of everyday adventurers.