Tabi are traditional Japanese socks worn with thonged footwear such as zori, dating back to the 15th century.
Pair of tabi
Tabi being worn with geta
Cloth tabi with ties, early 1900s
Zori, also rendered as zōri, are thonged Japanese sandals made of rice straw, cloth, lacquered wood, leather, rubber, or—most commonly and informally—synthetic materials. They are a slip-on descendant
Tabi
…Tabi (足袋) are traditional Japanese socks worn with thonged footwear such as zori, dating back to the 15th century. Japanese tabi are usually understood today to be a kind of split-toed sock that is not meant to be worn alone outdoors…
Zori were traditionally made at home, as were waraji. Note twine warp, held between hands and toes, and loose-fiber weft, to his right.
Pictorial instructions on how to weave wara-zōri or waraji in Hida Minzoku Mura Folk Village; woven footwear is uncommonly produced, especially for practical necessity, in Japan in the present day.
Similar roughly-woven festival zori, but with the straps wrapped in fabric before being twisted together