Ezekiel 44:18

Linen turbans shall be on their head and linen undergarments shall be on their waists; they shall not gird themselves with [material causing] perspiration.

Exodus 28:40-43

And for the sons of Aaron you will make tunics, and you will make for them sashes and headdresses; you will make them for glory and for splendor.

Exodus 39:28

and the turban of fine linen and the headdresses of the headbands of fine linen and undergarments of the linen cloth, finely twisted,

Leviticus 16:4

He must put on {a holy linen tunic}, and linen undergarments must be on his body, and he must fasten [himself] with a linen sash, and he must wrap a linen turban around [his head]--they [are] holy garments, and he shall wash his body with water, then he shall put them on.

Isaiah 3:20

the headdresses and the armlets and the sashes, and the {perfume boxes} and the amulets,

1 Corinthians 11:4-10

Every man who prays or prophesies [while] having [something] on [his] head dishonors his head,

1 Corinthians 14:40

But let all [things] be [done] decently and according to proper procedure.

Treasury of Scripture Knowledge

Summary

They shall have linen bonnets upon their heads, and shall have linen breeches upon their loins; they shall not gird themselves with any thing that causeth sweat.

Bible References

Bonnets

Exodus 28:40
And for the sons of Aaron you will make tunics, and you will make for them sashes and headdresses; you will make them for glory and for splendor.
Exodus 39:28
and the turban of fine linen and the headdresses of the headbands of fine linen and undergarments of the linen cloth, finely twisted,
1 Corinthians 11:4
Every man who prays or prophesies [while] having [something] on [his] head dishonors his head,

Linen breeches

Exodus 28:42
And make for them undergarments of linen to cover naked flesh; they will be from loins to thigh.
1 Corinthians 14:40
But let all [things] be [done] decently and according to proper procedure.