Women's Caterpillar Echo Waterproof ST Work Boots Designed for performance in demanding environments, this work boot delivers durability with a focus on comfort. The leather or nubuck upper features waterproof construction to help keep feet dry throughout the day. A lace-up closure provides a secure fit, while the steel toe offers essential protection. The PU foam footbed delivers cushioning and shock absorption for long hours on your feet. Finished with a slip-resistant rubber outsole, it ensures reliable traction on tough surfaces. ASTM F2413-18