parachute pants

Surprisingly tight-fitting and also known as flight pants, "parachute" referred to the pants' nylon material, similar to a parachute's. Parachute pants became a fad in US culture in the 1980s as part of the increased popularity of breakdance.

You may be looking for harem pants depending on if you're looking for baggy pants with more fabric closer to the feet.

This tag implicates pants (learn more).