Astronaut Rick Mastracchio's flown Adidas sunglasses used aboard the International Space Station during Expedition 38/39, complete with their cloth bag and hard plastic case. The left lens is marked in white, "EXP. 38/39." Includes a pair of bifocal lens inserts. The case is marked on the top, "CP-3-SNP-Mt-E39" (Mt for Mastracchio, E39 For Expedition 39), and has a large white Velcro swatch on the back. These were flown to the ISS, gently used by Mastracchio on orbit during his 188 day stay, and returned to Earth on SpaceX CRS3. In fine condition, with light wear from use. Accompanied by a letter of provenance from Astronaut Rick Mastracchio. From the collection of astronaut Rick Mastracchio, who flew on STS-106, STS-118, STS-131, and Soyuz TMA-11M (Expedition 38/39).