Keep your feet secure wearing the Avenger Work Boots Blade Low CT Sneakers that have carbon nanofiber safety toe feature. Slip-resistant rubber outsole meets or exceeds ASTM F3445-21 standard. Canvas textile upper. Textile lining. Lace-up work boots feature composite work toe that meets or exceeds ASTM 2413-18 I/C and EH (electrical hazard) safety ratings. Removable foam footbed. EVA midsole.