Columbia Men's Terrebonne Outdry Hiking Shoe 100% Waterproof Full Grain Leather / Mesh Upper / Pig Skin Leather Collar Imported Rubber sole Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return. Midsole ports for air ventilation and cooling. Vibram MONT Performance Durability Outsole. Maintains performance at low temperatures and firmer compound for maximum support. Waterproof full grain leather and mesh upper with pig skin leather collar. Rubber scratch toecap. OutDRY. waterproof, breathable construction.