Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN.DRY waterproof, breathable membrane Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits 100% non-metallic construction for easily passing through metal detectors in highly-secured areas KONNECTFIT heel-capture system for a locked-in feel Secure fit lace capture system Cleansport NXT Technology for natural odor protection*
