-Mesh and synthetic upper materials -Lace-up shaft -Aluminum broad safety toe -Mesh and moisture wicking textile lining with nylon shank provides midweight support -Non-mutilating upper reduces chance of marking -Cleansport NXT Technology provides natural odor protection -Removable metaomical PU footbed -KEEN.ReGEN lightweight, compression-resisting midsole provides 50% more energy return than standard EVA foam -Electric hazard rated -Oil & slip resisting non-marking rubber outsole -Style: 1025567 Keen Men's Sparta II Lace-Up Work Sneakers - Aluminum Toe