Light and fast on the go: Whether on muddy forest paths or rocky mountain peaks, the abrasion-resistant mesh upper and waterproof GORE-TEX stretch membrane make this shoe a must-have for quick hikes. The cushioned midsole and Ortholite insole provide additional comfort, while the Flextron joint spring enhances torsional stability and gives you more momentum. You can rely on the dependable grip of the Vibram Megagrip outsole in any weather. Additionally, the rocker sole construction allows for a smoother stride and more efficient push-off, making the Aenergy Mtn Low GTX ideal for challenging terrain.