Ready for your next sky-high adventure? Don't forget the unwritten rules of air travel – keep your seat upright, snacks scrumptious yet subtle, and indulge in the armrest if you're the lucky middle-seat occupant. But here's the real question: Can you slip off your shoes at 30,000 feet? With Warrior Alpaca Socks, you're all set to toe the line of airplane etiquette with confidence and comfort. The conundrum - Take off or keep on the shoes? – opinions are split. Studies conducted through …