. 11 oz. DuraStretch denim. 69% Cotton / 30% Modacrylic / 1% Elastane. Button up closure with zip fly. 4 pocket design. Dark wash. Straight leg. Low rise. Ultra-durable lightweight stretch fabricMoisture Movement Technology and Performance StretchCAT 2 and ATPV 14 ratedNFPA 70E-2004 and 2112-2012 certified.