Columbia Women's Gorgeous Mid Omni-Tech Hiking Boot 100% Leather Vibram sole Shaft measures approximately 4 1/2" from arch Nubuck leather upper with padded collar and tongue AgION anti-microbial treatment keeps odor-causing bacteria under control Contour Comfort triple-density footbed absorbs shock and provides needed support Multi-traction Vibram outsole is ready for track or trail, and is non-marking Integrated lacing structure for added support and better fit