So they were made for seven or eight foot tall men?

TURN ‘EM UP: The history of the blue jean cuff - Levi Strauss & Co
Open up any fashion magazine, or watch people on the street in places like Los Angeles, San Francisco and New York, and you will see a blue jean phenomenon: the turned-up cuff. It’s a look that’s very now (and actually has been “now” for awhile), and yet has roots deep in the past. Levi...
