Bobby sock

They are white and worn ankle-length or collected at the ankle, instead of being rolled up fully extended on the leg.

The term is derived from the socks being worn "bobbed", meaning around the ankle.

[1] The popularity of bobby socks among young American women in the 1940s led to this demographic being popularly referred to as "bobby soxers".

[2] They were initially popular in the United States in the 1940s and 1950s, later making a comeback in the 1980s.

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