Acorn Original "Astronaut" Slipper Sock Size:XS (W's 6.5-7.5) EPA drinking water standards* and

EPA drinking water standards* and NSF protocol P231 testing standard

when fully charged you can treat 50L

8 mm suede leather upper

Designer: Pardue

With just one product you are able to target every flexor

Acorn Original "Astronaut" Slipper Sock Size:XS (W's 6.5-7.5) EPA drinking water standards* andAstronaut 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