Vintage Levi's 80's Student Fit Corduroy Pants Worn Once, Excellent, Like New Condition Levi's® introduced the 501s® Student Fit in the 1980s. This cut was designed for younger men who were in between boys' and men's sizes. Ideal for guys with slimmer builds, they're narrower in the hips and thighs than the 501® Original. Inspired by the 501® Original, but slimmer.