These hikers are essentially NWOT. I wore them once for a couple of hours. Below info per Keen: FEATURES: - Original Fit has generous space across the forefoot for toes to splay - LuftCore technology embeds a lightweight, air-injected core into higher-density foam for enhanced midsole cushioning - Notch in back for Achilles movement and comfort - Speed-lace webbing system for comfortably snug fit - Removable, resilient foam insole with arch support for long-lasting cushioning - Engineered rubber outsole is light, flexible & extremely durable - 5mm multi-directional lugs for traction - Heel-capture system for added stability - Environmentally preferred premium leather from LWG-certified tannery for cleaner water - Eco Anti-Odor for natural, pesticide-free odor control MATERIALS: - Waterproof leather and performance mesh upper - Quick-dry lining for active use - Non-marking KEEN.FUSION rubber outsole CARE: - Gently brush leather with a soft bristle brush or hand towel to remove loose dirt and debris. Tough stains may require a leather cleaner.