Extra thick micro foam PU compound that’s warmer, lighter & longer wearing. Flexible and warm below -40°C. Extra wide toe, vamp and shaft for a more comfortable fit. CSA class #1 steel toe & plate. More slip resistance: improved sole profile. Shock resistance heel & anti-slip, self-cleaning sole. 15" tall ; Ergonomic sole design for easy walking. Anti-bacterial and abrasion resistant lining. Washable, moisture absorbing, cold insulating insoles. 40% lighter than rubber or PVC. Resistant to mineral, animal, and vegetable oil and fats, blood, disinfectants, manure, solvents, motor oil, and petroleum based chemicals.