2100931 Columbia Men's Expeditionist Shield Combining utility and function with a versatile design, this seasonal weather boot can go from the streets to the trails without compromising performance or protection. Upper Waterproof suede leather upper combined with a modern scratch rubber duck boot for utility protection. Omni-HEAT Infinity reflective lining. Omni-TECH waterproof breathable construction. 200g insulation. Midsole TECHLITE+ delivers responsive cushioning and stability, without sacrificing comfort. Outsole Omni-GRIP Ice - Fiber-rubber outsole with advanced traction on ice and snow.