The Altra Superior 2. 0

Shop Men: Shop Women: Winner of the April 2015 Runner s World Editor s Choice for Best Trail Shoe. Claw your way to the top with the allnew Superior. The Superior 2. 0 updates our versatile, lightweight trail running shoe with more grip and less weight. The FootShape toe box lets your toes relax and spread out in uphill and downhill trail conditions whil