Columbia Men's Techsun Vent Sandal 100% Synthetic Imported Synthetic sole Heel measures approximately 1" Platform measures approximately 0.75 inches Athletic sandal in two-tone synthetic fabrication with dual hook-and-loop straps at toe and vamp Air flow and water drainable midsole ports Techlite lightweight comfort midsole with energy return OmniGrip non-marking traction outsole