Natural movement meets nature. Feel connected to your world when you run or hike in the lightweight, 9.6 ounces (M9), TerraFlex. The wicking mesh upper keeps your feet cool and dry while the aggressive lugged sole provides confident traction. Bumps fade away thanks to 3mm of TrailFoam™ hiding inside of the patented FeelTrue® sole. The heel cinch and adjustable mid-foot webbing gives you a secure and stable fit while the wide toe box lets your toes splay and flex to empower your stride.