Hi-Vis Group Z. Certified to EN ISO 20471 - class 1. The fabric complies with the demands of UV Standard 801. If you use MASCOT® Waterloo knee pads with this product you will meet the safety standards of EN 14404. The product is certified with maximum 0,0100 m² logo area. This approved area must not be exceeded. Logo on, respectively, front or back of the product can constitute only a maximum of 50% of the total approved logo area in order to maintain the EN ISO 20471-certification.