Leather/nylon upper for added protection and comfort; YKK side zipper in durable Vislon pattern for easy on and off fit with hook and loop tab-stay closure; PU Collar for easy cleaning; Foam-padded collar and tongue for protection and increased breathability; Gusseted tongue to keep dirt and debris out; EVA Midsole for lightweight comfort and cradled support; Steel shank for superior support; Board-lasted construction for torsional rigidity, reducing foot fatigue during long work shifts; Slip-resistant, non-marking rubber outsole; 23 oz (640g)