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 Contoured arch for midfoot support Metal eyelets for added durability Direct-attach, air-injected Luftcell midsole for long-lasting cushioning Removable foam insole with arch support for all-day comfort KEEN.FUSION construction fuses the upper to the sole without glue for a longer-lasting bond that's better for the planet. Abrasion-resistant KEEN.RUGGED outsole for durable, longer-lasting traction Multi-directional lug pattern provides superior traction High-abrasion rubber toe rand for added durability and protection Materials Leather and performance mesh upper Breathable mesh lining Non-marking KEEN.FUSION rubber outsole