Figuring out what to wear on a plane can be almost as difficult as deciding what to pack. Ideally, you want to be comfortable both on the plane and when you arrive at your destination - not forgetting you're sitting in a piece of machinery with confined spaces, sharp objects and strangers.
But one aviation expert has warned that flammable synthetic fabrics are best avoided, just to be on the safe side. That rules out clothing made of polyester and nylon and especially those super comfortable laid-back leggings.
Aviation expert Christine Negroni has said that wearing leggings could lead passengers to struggle if there is an emergency on board the flight. Christine, an aviation and travel writer who is regularly seen on US news programmes, told The Sun: "You might have to escape through a cabin fire or there could be a separate fire on the ground once you leave the aircraft.