素す袷あわせ

noun

wearing a lined kimono without an undergarment

Refers to the practice of wearing an awase (lined kimono) directly against the skin, without a juban or other undergarment. This is a traditional kimono term.

• 夏なつの暑あつい日ひには、素す袷あわせで過すごすこともある。

  On hot summer days, one sometimes goes about wearing a lined kimono without an undergarment.