BUILT FOR THE TOUGHEST ENVIRONMENTS: durable waterproof leather and ripstop upper and Vibram TC5+ outsole for durable traction TIME-TESTED FIT: Built on the original Moab platform - a favorite on the trail for comfort and durability since 2006 UPPER: Waterproof PU coated leather and rip stop textile with M-Select DRY waterproof membrane. Stability arms with spray rubber for added security and durability MIDSOLE: Features Merrell air cushion in heel to absorb shock and add stability. Lightweight nylon arch shank gives flexible support where you need it FOOTBED: KINETIC FIT foot bed with added zonal arch support and heel cushioning