The Metro 9-inch Waterproof Side Zip Composite Toe Electrical Hazard safety boot knows no boundaries when it comes to performance. Equipped with a waterproof upper to tackle the elements, and an ASTM certified composite safety for ultimate lightweight protection, this boot will be your trusted partner wherever you want to take it. Features: Metro durable, non-marking rubber outsole with waffle traction and ladder grip control; Electrical Hazard protection: exceeds ASTM F2412-11 and F2413-11 standards; Full grain leather toe for durability and comfort; Waterproof full bootie construction; Blood borne pathogen resistant; Custom-molded phylon EVA midsole for lightweight comfort and cradled support; Texon stability platform for lateral support and torsional rigidity; Airport friendly nylon shank for lightweight support and fatigue control; Full grain leather / synthetic upper for improved durability and comfort; Custom-molded thermoplastic heel counter for instant comfort and lateral