Stain-resistant finish contoured elastic waistband material in the crotch area contains 6% elastane 10 multifunctional pockets pockets for knee pads ventilation in the back of the knees plastic D-shaped hanger hammer loop highly resistant CORDURA® material in color 01 contrasting elements possibility to extend the legs certification according to EN ISO 13688 EN 14404 + A1 (type 2 level 1) in combination with A99 knee pads.