Safety Vest Products » High-Vis Item number:A-500021 # PRODUCT INFO Certificate: EN20471-2 Fabric description: 100% polyester, 135 g/m2 Size: M - 5XL - see size guide here Colours: Fl. yellow (741), fl. orange (731) DESCRIPTION High Vis Safety Vest from Ocean. This High Vis vest is designed with numerous reflexes for high visibility. The visibility vest is without sleeves and has Velcro fastening in the front. ID-pocket on the chest. Available in the colours fl. yellow and fl. orange. EN20471:Certificate EN20471 means visible clothing, and the class designation describes how well the product can provide the user with protection. Class 3 is the highest class that can be achieved. All reflectors must meet min. class 2, as to the reflector's ability to retract the light.