Acorn Original "Astronaut" Slipper Sock Size:XS (W's 6.5-7.5) Designer: Pardue

Designer: Pardue

EPA drinking water standards* and NSF protocol P231 testing standard

Height/Depth

INSULATION: Removable 9mm felted InnerBoot

Sizes: 36 - 42 (whole sizes)

Acorn Original "Astronaut" Slipper Sock Size:XS (W's 6.5-7.5) Designer: PardueAstronaut Approved! From the Smithsonian National Air and Space museum: "Astronauts working aboard the Space Shuttle and International Space Station often wear slipper socks like these. Shoes are not necessary in weightlessness, but crewmembers enjoy the comfort and warmth of soft footwear. Many astronauts simply wear socks as they float around inside the spacecraft. The manufacturer [Acorn] gave these slipper socks to the Museum to use on mannequins