Certified to EN ISO 20471:2013 A1:2016 Class 1: Yellow/Navy & Orange/Navy. Certified to EN ISO 20471:2013 A1:2016 Class 2: Ye... Certified to EN ISO 20471:2013 A1:2016 Class 1: Yellow/Navy & Orange/Navy. Certified to EN ISO 20471:2013 A1:2016 Class 2: Yellow, Orange, Yellow/Orange. Orange colour-way also conforms to RIS-3279-TOM. Centre front zip. Stretch binding to armholes, hem and collar. 2 large lower pockets. High collar design. 2 vertical and 2 horizontal reflective stripes (sewn).