2.5mm thick and weathered suede leather upper breathes to keep your feet comfortable. Full-length Cambrelle™ comfort footbed wicks away moisture. Glove soft leather lining. EVA/Poron removable footbed. Sturdy front and back pull-on tabs. Elastic gore retains its shape. Twin-needle reinforced stitching with a high tensile strength thread. Heat-formed heel for a better fit. Shock Protection System (SPS) disperses shock at the heel strike and reduces skeletal stress on the feet, knees, and vertebrae. Injection molded soles for seamless fusion to the upper. Dual-density thermopolyurethane outsoles are weatherproof, lightweight, durable, and provide superior traction.