The classic teardrop-shaped aviator frame with a double nose bridge appeared in the late 30s by order of the US Army to protect pilots from bright sunlight. The new design was born out of functionality: a sturdy metal frame ensured lightness, and a teardrop-shaped lens allowed the viewer to cover the dashboard. The goggles were so effective that they were standardized by the government and produced in large quantities for pilots and sailors. However, over time, aviators have become unprecedentedly popular outside of their military role, and new army needs have updated standards: due to the advent of jet aircraft and changes in equipment, aviators are being modernized to
navigators
.