As with all sleeping bag liners

Classic country styling

When camping

Open Length: 7

High Mount Quick-disconnect: Offers fast

Acorn Original "Astronaut" Slipper Sock Color:Crimson Ragg Wool As with all sleeping bagAstronaut 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