Rubber sole Warning: these boots will take you places. Forged from heavy-duty materials, they include GORE-TEX technology and large lugs finely tuned to steep mountain slopes. Put simply, they're specifically designed for whatever you want to do out there—hike, backpack or simply explore. Climb Like a Mountain Goat Built with superlight and tough materials, including a durable plastic midfoot shank, these shoes deliver a propulsive sensation, comfort and cushioning. Pair this with rubber outsole details and large, three-pronged traction patterns and you'll be scrambling where you probably shouldn't be.