はだぎ肌着hadagi
1.

A type of clothing worn directly on the skin, primarily for coverage and comfort, often serving as a base layer beneath outer garments.

2.

Garments specifically designed to be worn under other clothing, providing support, modesty, or shaping, typically including items like bras, panties, or camisoles.

3.

Soft and lightweight undergarments that contribute to personal hygiene and comfort by absorbing sweat and preventing skin irritation, commonly known as intimate apparel.

4.

Clothing items that are not meant to be seen in public, usually made from breathable materials, intended to be worn closest to the body.

Example:

彼は肌着を裏返しに着た。