Columbia Men's Megavent PFG Lightweight Hiking Sneakers Mesh Imported Cast PU cage for protection combined with a breathable and ventilated open mesh, speed lace closure system Blood 'n Guts water and stain resistant treatment Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return Lower durometer EVA for the ultimate in comfort and shock absorbency Air-flow and water drainable midsole ports