crew sock

Etymology
From the federal procurement in the United States of the 1940s, as the yeoman would order a type of socks to be worn by everyone of a Navy vessel’s crew—which were then distributed outwith the United States Armed Forces.

Noun

 * 1) A sock that extends to the mid calf and is often characterized by being ribbed above the ankle.

Translations

 * French: mi-mollet chaussette