I never did understand the sleeves.
Worn by men before the advent of elastics and miracle stretch-fabrics to keep their socks from sagging. See also Old-Timey.
Yoo-hoooo! Be a doll and add a funny item of clothing.
Most often seen in the Midwest, devided to protect your "good" shoes from moisture and salt.
Speaking as a manunattractive.
C'mon, be a man and save your money and then get a real leather jacket. You'll thank yourself.