CAT Footwear's Women's Lace Up Steel Toe Waterproof Echo Work Boot is a tough and durable boot that will keep you comfortable all day long. The waterproof nubuck upper is tough and will withstand any job, while the lace up design ensures a secure fit. The ASTM F2413-11 I/75 C/75 Classified steel toe protects your feet from dangerous workplaces, and the ASTM F2413-11 1/75 EH, C/75 Electrical hazard rated design keeps you safe from electrical hazard circuits up to 600 volts. The nylon mesh lining is breathable and comfortable, and the Nylex sock liner adds cushioning for all-day comfort. The PVC midsole is lightweight and comfortable, and the T1170 slip-resistant outsole gives you added traction in slippery conditions. The cement and Goodyear welt construction ensures durability.