Do you mean this?
It does but the point is that a number of us want to take the skimpiest, most lightweight and packable piece of mesh that we can get away with, which that isn't. We may alternatively be prepared to go for a proper cycling gilet that complies, but we don't want to spend nearly £20 on a dustman's garment that is flappy when being worn and relatively bulky when stowed in a saddlebag.
I was trying to be helpful, i have ordered one of these and can comment further when it arrives. i was taken in by
Features:
A cycle specific hi-viz waistcoat that meets and exceeds EN471, class 1, level 1
EN471 is the highest safety standard for reflective clothing
Bright yellow and orange material with reflective silver stripes
Soft-touch material and an easy-to-use zip
Extended tail for extra visibility when riding
LED light loop
I have an easily stowable lightweight one but it doesn't comply.