100% Polyurethane (outer) and 100% recycled polyester (back). These safety trousers, made from a thick, waterproof fabric, combine comfort and protection thanks to their printed safety strips and bonded seams. They offer excellent breathability thanks to their contrasting knit panels, with an elasticated waistband and press studs at the ankles. Complies with standards: EN ISO 20471:2013+A1:2016 Class 1 - RIS-3279-TOM: ISSUE 2:2019 Class 1 - EN343 3:1