Your confidence in your work will grow leaps and bounds when you have the protection of the Sensor Hi boot. Caterpillar steel toe boots are rated ASTM F2413-05 I/75 C/75 for superior impact and compression. Waterproof nubuck leather upper. Lace-up front closure. Cushioned tongue and collar provides added comfort and support. Breathable nylon mesh lining. Nylex and polyurethane sock liner. Molded EVA midsole adds comfort with each step. Durable, slip-resistant, oil-resistant SRX rubber outsole infused with an extended-wear compound to last. Imported. Measurements: ; Heel Height: 1 1 2 in ; Weight: 1 lb 14 oz ; Circumference: 14 in ; Shaft: 5 1 2 in ; Platform Height: 1 4 in ; Product measurements were taken using size 11, width EE - Wide. Please note that measurements may vary by size.