Hi-Vis Group A. Certified to EN ISO 20471 - class 3 (S-M = class 2). The product is certified with maximum 0,1200 m² (L-4XL) 0,1900 m² (S-M) 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.