Altra Torin 3.5
FOOTSHAPE™ TOE BOX
Allows toes to relax and spread out naturally and the big toe to remain in a straight position for more comfort, speed and stability.
Grid-like flex grooves in the midsole allow your foot to flex where it needs to for more speed and improved performance.
Energy-return compound sits directly under the foot to reduce ground impact and add a spring to each step.
ZERO DROP™ PLATFORM
Places your heel and forefoot the same distance from the ground to encourage natural, low-impact running form throughout your run.
Unique outsole and midsole pattern maps the bones and tendons of your foot to let it flex where it naturally wants to.