All-Terrain Tread. Iconic Toe Protection. Famous Comfort Fit. 4mm multi-directional lugs for traction. Speed-lace webbing system with top collar hooks for comfortably snug fit. Eco Anti-Odor for natural odor control. Padded tongue and collar for comfort. Breathable textile lining. Removable PU insole for long-lasting comfort. Gently brush with a soft, damp sponge to remove loose dirt.