They Believe They Can Fly This primal urge has given rise to wingsuit fliers: thrill-seekers who leap off cliffs or out of airplanes wearing winged jumpsuits that give them the gliderlike capacity to control and delay their free fall. With practice, some wingsuiters can stay airborne for up to 90 minutes and hit speeds over 100 miles an hour, achieving what they say is the closest thing to engineless flight that humans have ever experienced.
 Winged suits let jumpers spread their wings.