Ideal for work environments that carry risk of accidental toe damage or has a steel toe cap requirement. Perfect for visitors, temporary or casual workers. Can be comfortably worn over low-heel footwear, dress shoes, running shoes and most boots. Flexible and stretchy made of pliable materials. Treads under sole help prevent slipping. 100% waterproof, will bot harden, stiffen or crack. Toe is color coded to indicate size. CERTIFIED CSA Z334-14 PROTECTIVE FOOTWEAR. CLASS 7231 02 OCCUPATIONAL HEALTH AND SAFETY PRODUCTS. Grade 1 protective toe. CE Certified. Steel toe compiles with Impact and Compression Resistance, 75 lb Rating per ASTM F2412-11/F2413-11.