TOE PROTECTION: keen.protect soft toe caps help safeguard against minor impact, but are not reinforced with a secondary crush resistance and meet or exceed astm f2892 eh standards KEEN.Dry: A Waterproof, Breathable Membrane That Lets Vapor Out Without Letting Water In For Keeping Your Feet Dry And Comfortable TRACTION: OIL- AND SLIP-RESISTANT, NON-MARKING, RUBBER, SIPED OUTSOLES THAT MEET OR EXCEED ASTM F1677-96 AND F2913 SATRA STANDARDS: traction: oil- and slip-resistant, non-marking, rubber, siped outsoles that meet or exceed astm f1677-96 and f2913 satra standards UNDERFOOT PROTECTION: electrical hazard (eh)-rated footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits SUPPORT & COMFORT: KEEN.key-tech flex