Engineered with a performance mesh upper with TPU overlays for durability, these sneakers from Keen are tough enough to tackle any terrain. -Speed-lace webbing system with top collar hooks for a comfortably snug fit -Breathable textile lining -Removable PU insole for long-lasting comfort -KEEN.ALL-TERRAIN rubber outsole for higher-traction grip Lace-up closure Comfort technology Imported Product Specifications Medium width Material Nylon