TINGLEY® 31251 ECONOMY STEEL TOE KNEE BOOTS, BLACK, CLEATED OUTSOLE, SIZE 13 ECONOMY PVC KNEE BOOTS – AFFORDABLE, ALL DAY COMFORT. AT TINGLEY, WE BELIEVE “ECONOMY” DOESN’T HAVE TO MEAN AN UNCOMFORTABLE FIT OR POOR PERFORMANCE. WHEN YOU ARE WORKING IN WET, MUDDY CONDITIONS, OUR ECONOMY PVC KNEE BOOTS PROVIDE EASY WALKING AND ALL DAY PROTECTION. IDEAL APPLICATIONS: GENERAL PURPOSE IN AGRICULTURE, INDUSTRY, AND CONSTRUCTION. CHEMICAL RESISTANCE: FATS, CERTAIN ACIDS, HYDROCARBONS, CAUSTICS, AND OTHER CHEMICALS.