Nylon mesh with direct-inject PU upper. Nylon mesh lining delivers excellent breathability for all-day comfort. Molded-EVA nylex sock liner provides comfortable support. Removable footbed. Dual-density EVA midsole. T1000 rubber outsole delivers incredible slip-resistance, and meets Mark II testing standards. Composite safety toe meets ASTM F2413-05 I/75 C/75 EH (Electrical Hazard) safety standards. Imported. Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair. Measurements: Weight: 1 lb