65% polyester, 35% cotton. EN ISO 20471:2013/A1:2016, Class 2, materials: STANDARD 100 by OEKO-TEX®, two 7 cm wide broken reflective strips around the legs, reinforced seams at stress points, knee pad pockets, hammer loop, D ring, folding rule pocket, side cargo pocket, part-elastic waistband, black contrast elements, the manufacturer guarantees the reflective properties according to the EN standard for 25 wash cycles at 60°C, equipped with EAN barcode, individually packed in polybag