Tackle any terrain in the Zionic hiking boot from Keen. With a quick-dry fabric lining, a durable traction sole, and high-rebound foam cushioning, you'll stay comfortable and supportive during all your adventures. Mesh fabric & synthetic upper. Lace-up closure. Round toe with bumper. Padded collar. KEEN.DRY fabric lining. Removable insole. Foam midsole. Synthetic traction sole.. Color: gray