Pre-shaped knees / Contrast seams / 2 front pockets / 2 back pockets / Leg pocket with zip / Multifunction pocket with pockets for folding rule and mobile phone / OEKO-TEX certified. Material: Canvas, 60% cotton, 40% polyester. Sizes: C44-C62, C146-C156. Features: Hypoallergenic: No Wash Info: – Maximum washing temperature 60°C, normal process;Do not bleach;Tumble drying possible, low temperature, exhaust temperature max. 60°C;Iron at maximum sole-plate temperature of 150°C;Do not dry clean Gender: Male Fabric Weight m2: 345 Colour Names: F940:M3-1 Black Certificate