CT™ Economy Knee Boots, Steel Toe, Size 13, 16 in H, PVC, Black ORS NASCO Greater body coverage that’s still Greater body coverage that’s still cool and comfortable to wear No exposed elastic or metal parts to create static and corrosion 000 operations indicating a service life of 10 to 12 years of comparable use Non interchangeable oxygen and fuel gas connectors prevent accidental gas mixing Instant closure on reverse flow check valves with total shutoff at only 10 oz of back pressure fertilizers and animal waste Flexible and durable upper allows for ease in movement for greater work comfort Removable FOOT FORM™ contour cushion insoles provide all day comfort and support Reinforced construction at critical stress points provides a durable and long wearing boot PVC injection molded footwear is 100% waterproof to ensure workers' feet are dry and comfortable PVC formulation is resistant to degradation from agricultural chemicals