Dunham’s "8000 Works" six-inch boot has rugged leather and synthetic uppers that are seam-sealed with waterproof membrane, removable dual density footbeds and cushioned EVA midsoles. The oil-resistant treaded outsole is slip-resistant, too (meeting ASTM F1677, Mark II wet/dry standards), and is reinforced with stabilizing R-BarTM. Nylon shank. Limited Men’s sizes in 4E and 6E widths. Check pulldown for current availability.