|This Bates ZR-6 Boot - Black is Bates E02066 ZR-6 in Black. For a sleek design without the expensive price tag, Bates is bringing you the ZR-6. This 6 inch boot features a leather and nylon upper and a breathable mesh lining. The ZR-6 also has a removable insole and a slip resistant outsole. Experience Bates with our new ZR-6.