100% waterproof and breathable GORE-TEX liner is engineered to keep your feet dry and comfortable. Polyurethane leather upper and breathable fabric collar provide a classic design with superior protection. Cushioning, polyurethane molded footbed. Durable hardware for secure fit and performance. New exclusive Danner Sojourner outsole features an oil and slip resistant rubber compound, and non-linear lug pattern for superior traction and debris release.