'Undergarments' in the Bible

"You are to make linen undergarments for them to cover their naked flesh, and they are to reach from the loins to the thighs.

the turban of fine linen, decorated head coverings of fine linen, linen undergarments of fine woven linen,

The priest is to clothe himself with a linen robe and undergarments. Then he is to take the ashes of the burnt offering on the altar that had been consumed by the fire and set them beside the altar.

He is to wear a sacred linen tunic and linen undergarments that will cover his genitals. He is to clothe himself with a sash and wrap his head with a linen turban. Because they are sacred garments, he is to wash himself with water before putting them on."

Linen turbans are to be on their heads, and they are to wear linen undergarments. Also, they are not to clothe themselves with anything that makes them perspire.