Conquer the trail in Altras plushest trail runner with improved durability so you can go all day. With cushion, grip, and their roomiest toe box, get comfort and confidence. Altra kept the max-cushioned soft and responsive midsole foam design you love and updated the mesh upper, with a design to enhance breathability for long days on the trail. Get reliable grip with a Vibram Megagrip outsole, with an updated lug pattern for increased durability, stability, and the traction you need to stay upright on technical terrain. Theyve also added a premium Achilles pillow, designed for an even more comfortable step-in feel.