RARE 1950's USAF Type E-1A Pilot Trousers Korean War 40

This is a rare pair of USAF pilot trousers from the 1950s. They are labeled as size 40 and are in great condition except for the opening on one leg(small holes), as seen in the photos. These are wool pants and have knee pads as well with a Crown zipper. Waist 34" (17" flat) Outer length 41" Inseam 28" Rise 14"