13 guage Aramid/glass fiber liner with sandy nitrile palm coating(nitrile sandy coating provides a superior grip in dry, wet and oily conditions,single coating more soft,seamless knit Aramid and steel shell offers breathability, high assurance and labor protection,the liner color can be customized.Knit Wrist helps prevent dirt and debris from entering the glove.Breathable back for comfort.Excellent resistance to liquid permeation.Oil does not penetrate the glove like foam nitrile styles.)