With a synthetic suede upper, VibramA(R) Megagrip outsole, and our ultra-secure strap system, our Mountain Clog is as comfy in the beer garden as it is capable of an 800-mile AZT thru-hike. And now your toes have extra coverage when the temps dip - just pop on a pair of thick socks and you&';ll be straight chillin&'; in chilly weather. Specifications: Outsole: VibramA(R) Megagrip Bedrock Exclusive Footbed: Cushioned PU footbed, anatomically molded Upper: Synthetic Microfiber Lining: Comfy polyester spacer mesh Strap System: Bedrock 3 point adjustment system Made in South Korea Our Sizing Is Unisex. The Mountain Clogs run small compared to our Evo sandals and to US sizing for most customers. We typically recommend ordering one size higher then your normal US size or your Bedrock Evo size. For all sizes, the Mountain Clog has a wide toe box for natural toe splay. The Mountain Clog&';s one piece upper will also mold to the foot over time.