Pair of dark green B. F. Goodrich Mark IV pressure suit gloves as used by high-altitude pilots on the U2 and SR-71 spy planes. Tags affixed inside the wrists indicate a manufacture date of February 1961 and designate the type as “Mk IV Mod 1 Type 1.” In very good to fine condition, with expected wear. This glove design served as the basis for the Mercury space suit gloves, which were also made by B. F. Goodrich.