Altra Men's Instinct 3.5 Shoe

Features of the Altra Men's Instinct 3.5 Shoe Lightweight, flexible design and innovative Technology that put Altra on the map The FootShape toe box allows your foot to relax and spread out naturally and keeps the big toe straight for more power A top layer of our A Bound energy return compound puts a spring into each step Lace up into this update and upgrade your run with the new Instinct and Intuition 3.5 New Upper Design More Responsive Midsole Highly Reflective