With a freedom-feeling flat footbed and Vibram® Megagrip outsole, the Cairn Evo PRO keeps you sure-footed no matter where you wander. Our unique hook-and-loop strap design ensures a super secure fit, even when adventures get messy. Our patented G-hook-and-loop heel and front strap system create an extra secure foothold that won’t gum up in mud or pull off in whitewater. The Evo PRO's minimalist footbed conforms to your feet for superior ground feel, flexibility, and packability. Patented Cairn Evo PRO Design.