Yellow vests were chosen as a symbol because, since 2008, a law had required all French motorists to have high-visibility vests in their vehicles when driving.

Yellow vests were chosen as a symbol because, since 2008, a law had required all French motorists to have high-visibility vests in their vehicles when driving. As a result, reflective vests had become widely available, inexpensive, and recognisable. [1] Obligatory referenced video of the boxer vs police: https://youtu.be/iUw37-eNSxg https://youtu.be/iUw37-eNSxg [1] https://en.m.wikipedia.org/wiki/Yellow_vests_movement https://en.m.wikipedia.org/wiki/Yellow_vests_movement