-Mesh and synthetic upper materials -Lace-up shaft -Aluminum broad safety toe -Mesh and moisture wicking textile lining with nylon shank provides midweight support -Cleansport NXT technology provides natural odor protection -Electro static dissipative (ESD) or Super-Static Dissipative (SD+) footwear construction reduces excess static electricity -Removable metatomical PU footbed -KEEN.ReGEN lightweight, compression-resistant midsole provides 50% more energy return than standard EVA foam -Oil & slip resisting non-marking rubber outsole -Style: 1025723 Keen Men's Sparta II ESD Lace-Up Work Sneakers - Aluminum Toe