Same pants worn at 4 generations of graduations

PLANO, Tex. (WPVI) -- A family in Plano, Texas has an odd tradition.

Four generations of men have worn the same pair of pants on their graduation day.

The traveling trousers are 70-years-old.

Lee Smith became the 15th Smith man to wear the navy, pinstripe slacks at commencement.

The pants will go back into storage until 2023, when the Smiths' fifth generation graduates from high school.