As the big, black lettering on this safety vest proclaims, this safety gear is for VISITORS.This is perfect for events such as plant or construction site visits.The Supertouch Printed Hi Viz Vest – Visitor conforms to EN ISO20471 Class 2.EN ISO20471 is an international standard for safety requirements of high visibility workwear. There are three classes under this standard with Class 2 defining an intermediate level of visibility. Class 2 workwear must have at least .13 sqm of reflective tape and .50 sqm of fluorescent material.Specifically the fluorescent material ensures visibility during the day while the reflective material ensures night visibility.The Supertouch Printed Hi Viz Vest – Visitor is made of 100% Polyester. Polyester is a popular work clothing fabric because of its toughness, wrinkle resistance, shrink resistance, fast drying and general easy-to-maintain qualities.Please note that the samples shown above may not exactly match the colours on the actual garment. Also, for exact sizing, please check the sizing guide.