Columbia Men's Cascade Pass Waterproof Hiking Boot Leather and Textile Imported Rubber sole Shaft measures approximately 5.75" from arch Nubuck leather upper with textile tongue and collar. Omni-Tech waterproof breathable seam-sealed membrane bootie construction. Combination suede leather, mesh and webbing. Solid non-marking rubber outsole. Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return.