KEEN UTILITY. 1022112. PHILADELPHIA 8 INCH WATERPROOF BOOT. CASCADE BROWN BLACK LEATHER. Designed to help you take on your work day the KEEN Utility Philadelphia Waterproof Boot is a safe and durable pick. Featuring a breathable KEEN.Dry membrane this waterproof boot ensures your feet stay dry and comfortable. The heat-resistant rubber outsole provides safety while the removable metatomical polyurethane footbed offers maximum cushioning for all-day comfort.