Consistency + commitment + quality = Nautilus Safety Footwear. This Nano Tech Comp Toe Athletic Sneaker feature: mesh and synthetic upper, super lightweight carbon nanofiber composite safety toe cap, advance ESD sockliner, EVA midsole for maximum comfort, oil- and slip-resistant carbon rubber outsole, no exposed metal to meet scratch resistant workplace requirements, 100% man-made components, meets or exceeds ASTM F2413-11 impact/compression and electric static dissipating ratings. Material: Mesh, Rubber.