KEEN.DRY waterproof, breathable membrane KEEN.FUSION rubber for lightweight durability 5mm multi-directional lugs for traction LuftCore technology embeds a lightweight, air-injected core into higher-density foam for enhanced midsole cushioning Heel-capture system for added stability Environmentally preferred premium leather from LWG-certified tannery PFAS-free, durable water repellent Eco Anti-Odor for natural odor control Original Fit–Iconic KEEN fit with generous space across forefoot for toes to spread out MATERIALS Waterproof leather and performance mesh upper Speed-lace webbing system with top collar hooks for comfortably snug fit Quick-dry lining for active use Removable PU insole with arch support for long-lasting comfort Non-marking KEEN.FUSION rubber outsole