Caterpillar Edgework 2.0 Steel Toe Waterproof Work Boot Men's CAT Footwear. Hard work is at the heart of this boot. This traditional style, that continues to outperform, has been updated with more comfort and modern features. The Edgework 2.0 is a steel toe work boot that is built from the ground up and powered by ERGO, a comfort system that is engineered to integrate stability, flexibility, and comfort. This wellington style, pull-on Edgework boot continues to offer the right amount of protection for industrial work sites with a steel toe, waterproof features, and electrical hazard ratings. The strength of the Welt construction delivers a durable, long-wearing boot. A stable, slip-resistant outsole will keep you on your feet if you encounter slick or wet surface hazards. I don’t know if you need that line – protected and safe seem like the same thing to me?. ASTM F2413-11 I/75 C/75 Steel Toe protects against impact and compression. ASTM F2413-05 1/75 EH Electrical Hazard Protection rated to protect against open circuits up to 600 volts in dry conditions. Goodyear Welt Construction provides maximum durability while offering forefoot flexibility.