Consistency + commitment + quality = Nautilus Safety Footwear. This Comp Toe ADV ESD Athletic Sneaker feature: mesh and synthetic upper super lightweight carbon nanofiber composite safety toe cap advanced PU and ESD foam insole for cushioned comfort wedged EVA midsole for added support full-contact slip- and oil-resistant rubber outsole no exposed metal to meet scratch resistant workplace requirement 100% man-made components meets or exceeds ASTM F2413-11 impact/compression and electric static dissipating ratings vegan friendly. Material: Mesh Rubber.