However, as of February 11, 1942, nylon production was redirected from being a consumer material to one used by the military.[1] DuPont's production of nylon stockings and other lingerie stopped, and most manufactured nylon was used to make parachutes and tents for World War II.[28] Although nylon stockings already made before the war could be purchased, they were generally sold on the black market for as high as $20.[3]