Dickies: Sierra Steel Toe Lace Up(Men)The Sierra Lace Up is ready for whatever the work day brings. It is fully lined with breathable, moisture wicking lining and a waterproof membrane. It features a padded collar and tongue; premium shock absorbing PU insole; lightweight EVA midsole; and an oil and slip resistant rubber outsole. Rubberized heel and toe guards. Steel toe meets ASTM F2413-11 standard and electric hazard protection.