Water resistant. Weather protective tongue gussets. Mid-top design for comfort. Moisture wicking inner lining. Molded EVA footbed for added comfort. CGT Outsole technology. Leather and nubuck upper materials. "Cold Grip Technology" is a rubber compound which was designed by the DVS team of engineers to increase traction in harsh climate conditions. Weather protective tongue gussets help prevent snow and water from entering the shoe. This keeps cold weather outside giving your feet more warmth and protection. weather resistant materials and construction helps keep your feet dry and comfortable when exposed to mild precipitation.