KLM staff also allowed to wear sneakers during work from May
NL Times -

KLM employees will soon be allowed to wear sneakers under their outfits during work. Most female employees still wear heels, but they will also be allowed to choose sporting shoes from May 6. A spokesperson confirmed this after a report from Luchtvaartnieuws. The airline said that this will be more comfortable while working and will contribute to the well-being of the staff.

In related news