AVENGER LEATHER NANOFIBER COMP TOE PUNCTURE RESISTANT WATERPROOF EH RUGGED WELLINGTON WORKING BOOTS Innovative Carbon Nanofiber material of theses working boots makes these safety toes the lightest and most advanced safety toe available today. The weight of these toes is 50% less than a traditional steel safety toe cap and 40% less than a standard composite toe cap. These toes will not conduct heat or cold, will not activate metal detectors, are non-magnetic, and static free. All Carbon Nanofiber Safety Toe styles meet or exceed all ASTM 2413-11 I/75 C/75 impact and compression specifications. Puncture resistant footwear contains a midsole plate which is designed to reduce the hazards of puncture wounds caused by sharp objects penetrating the outsole. Our puncture resistant footwear feature a Lenzi brand puncture resistant plate. The flexible Lenzi fabric allows full sole coverage, as well as greater movement and dexterity, resulting in a more flexible fit which allows you to work safer, longer, and more comfortably. There are no government regulations creating slip-resistant standards but a minimum wet slip resistance value of 0.5 is classified slip resistant with a minimum value of 0.25 recommended in oily or contaminated surfaces. "No Exposed Metal" footwear is designed so no exposed component of the footwear will scratch or mark any working surface, offering less risk of damage to them. Utilizing slip-on styles these shoes offer great design, safety toe protection and peace-of-mind for employers. No matter what the weather or working conditions, the waterproof work boots, featuring both membrane and seam-sealed styles, help keep your feet safe, dry, and comfortable. Under the ASTM Class 75 test for impact a shoe must withstand a 75 lb. impact with 12.7 mm clearance, under the Class 75 test for compression, a shoe must withstand 2500 lbs. of compression while maintaining at least 12.7 mm.