The Space Shuttle Slipper Socks.

Standard issue to U.S. Space Shuttle astronauts since 1982, these leather-soled socks are better known to the earthbound as a staple of wintertime comfort. The warmth and durability of twisted wool yarns hug the foot from toe to bottom of the calf. Further cushioning and insulation from cold wood or linoleum floors are provided by the memory foam midsole and full-grain leather outsole with sidewall. Imported. Hand wash cold, air-dry. Gray. Men's sizes XS (6-7), S (7 1/2-8 1/2), M (9-10), L (10 1/2-11 1/2), XL (12-13) and Women's sizes XXS (5 1/2-7), XS (7 1/2-8 1/2), S (9-10), M (10 1/2-11 1/2).