FeaturesLeft and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steelOil- and slip-resistant non-marking rubber outsoleElectrical hazard (EH) rated to provide protection against accidental contact with live electrical circuits, rated up to 18kVKEEN.BELLOWS FLEX technology allows footwear to bend and flex 3x easierAmerican Built using responsibly sourced materials from around the worldKEEN Luftcell air-infused, PU midsole for weightless comfort90° heel (5/8 Height) provides stability and helps