KEEN Utility Men's Roswell Mid Carbon-Fiber Toe Work Boot Almond/Black Olive This boot's fold-down design gives you an adaptable fit that can be easily matched to how or where you work. With an energy-returning KEEN.ReGEN midsole, lightweight asymmetrical carbon-fiber toes, and breathable canvas upper, this boot provides a combination of sturdy ankle protection when you need it and warm-weather jobsite performance. KEEN Utility Men's Roswell Mid Carbon-Fiber Toe Work Boot Almond/Black Olive