With lightweight and efficient Altra EGO P35 midsole foam, you can hit the road for daily miles or training runs and find your flow state. A low 4mm drop with rocker shape geometry helps promote natural body alignment and an efficient toe-off. With an updated engineered mesh upper and a redesigned heel collar, you’ve got improved breathability and the comfort you need to get out of your comfort zone. Lace up, space out, and Stay Out There.