Hi-Vis Group Y. Certified to EN ISO 20471 - class 2. If you use MASCOT® Waterloo knee pads with this product you will meet the safety standards of EN 14404. The fabric complies with the demands of UV Standard 801. The product is certified with maximum 0,2900 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.