Men's Altra Experience Flow 3 - Navy/Light Blue 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. It’s got the Altra Fit, with room for your toes and a secure midfoot for natural movement. 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™. DETAILS: Light + efficient midsole: Altra EGO™ P35 is a lightweight midsole foam, designed to help deliver an effortless, efficient, and comfortable underfoot feel. Efficient toe-off and natural propulsion: A rocker shape is designed to give the feeling of being propelled forward with each step and provides an efficient toe-off without taking away from your natural stride. Roomy toe box for natural movement: With Altra’s Standard FootShape™ fit, you get room for your toes for natural movement, with a secure midfoot. Category: Neutral Weight: 9.0oz Drop: 4mm