A FLIGHT attendant revealed the reason why passengers should NEVER wear short sleeves on a plane.
American Airlines crew member Andrea Fischbach issued an important warning to holidaymakers - that could protect them from serious harm.
Most people know not to wear restrictive clothing or any flimsy footwear - but many won't have heard of this little-known tip.
Seasoned traveller Andrea told whowhatwear.com: "One rule my mother made me follow that I continue to follow to this day is to always have my body covered.
"Emergency slides are not fun to go down and hurt—a lot—and it's not a smooth landing once you reach the end of the slide.
I'm a pilot- here's why you feel knackered after even short flights & how not to
"The more you cover the surface of your skin, the more protection for your largest organ."
The savvy flight attendant also revealed why you should leave any tight clothing in your suitcase.
During the journey, it's common for people to experience some swelling.
Items such as jeans could slow down your blood flow if you don't keep moving.
"If you are tall, travel a lot, or are on a long flight, this is extremely important because you face the risk of developing DVT," Andrea explained.
DVT is when a blood clot forms in one or more of the deep veins in your body which can be a very serious problem.
The cabin crew member also warned passengers against donning a pair of high heels on board.
If an evacuation slide were to be activated in the case of an emergency, holidaymakers would have to remove them.
“Plus, they aren't very practical running gate to gate," Andrea added.
It comes as other flight attendants have shared their best advice for travellers.
I'm a flight attendant who only carries hand luggage on holiday - here's how
Some have even revealed the weirdest antics passengers get up to on board.
Other private jet stewardesses confessed their most bizarre client requests - and the industry's best kept secrets.
One cabin crew member told holidaymakers the five holy grail tips for avoiding jet lag.
Meanwhile another exposed the "evil" thing passengers do on planes that could ruin your luggage.
Plus, a private jet staff member confessed the craziest and worst requests from the most demanding clients she's served on board.
