VTG USAF Trousers Air Crew Heavy Pants Type F-1 Size 42 Military Flight Thermal

Vintage U.S. Air Force Trouser, Air Crew, Heavy Flight Pants size 42. Heavily stained, unknown if these will wash out. Damage on cuffs and flaws on zipper area in front but does not affect function. Still very useable condition. Measurements laying flat Waist 21" Hip 26" Rise 14" Inseam 31.5" Leg opening 7"