Pair of left- and right-footed Boot Sizing Insert Toe Cap Assemblies for Space Shuttle EMU Boots, each measuring approximately 11″ x 4.5″ x 3.5″, marked on the tops with part numbers: "P/N 0104-82664-15-Left, S/N 101, Size 03 Sm-Lge, Mfg. 3/83" and "P/N 0104-82664-16-Right, S/N 163, Size 03, Mfg 2/86." Sealed in their plastic bags with attached deaccession labels; one has a JSC Project Parts tag tied to the bag. In overall very good to fine condition. The Boot Sizing Insert was designed to give an astronaut a custom fit within a standard boot.
Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.