Experienced travelers and flight attendants recommend wearing long pants for three main reasons: hygiene, temperature control, and safety. From a hygiene perspective, airplane seats and headrests are not deep-cleaned between every flight; wearing long pants provides a protective barrier between your skin and the germs or allergens left by previous passengers. Regarding comfort, cabin temperatures are often kept quite low (around 68°F/20°C) to help prevent passenger dehydration and fainting, making shorts or skirts feel uncomfortably cold on long hauls. From a safety standpoint, in the extremely rare event of an emergency evacuation, long pants (especially those made of natural fibers like cotton) provide protection against "friction burns" when sliding down the emergency inflatable chutes. They also offer a layer of protection against sharp edges or debris. Choosing long, breathable pants like joggers or chinos ensures you stay warm, clean, and better prepared for any situation 35,000 feet in the air.