Ezekiel 44:18

They are to have linen head-dresses on their heads and linen trousers on their legs, and they are to have nothing round them to make their skin wet with heat.

Exodus 28:40-43

And for Aaron's sons you are to make coats, and bands, and head-dresses, so that they may be clothed with glory and honour.

Exodus 39:28

And the twisted head-dress for Aaron, and beautiful head-dresses of linen, and linen trousers,

Leviticus 16:4

Let him put on the holy linen coat, and the linen trousers on his body, and the linen band round him, and the linen head-dress on his head; for this is holy clothing, and before he puts them on his body is to be washed with water.

Isaiah 3:20

The head-bands, and the arm-chains, and the worked bands, and the perfume-boxes, and the jewels with secret powers,

1 Corinthians 11:4-10

Every man who takes part in prayer, or gives teaching as a prophet, with his head covered, puts shame on his head.

1 Corinthians 14:40

Let all things be done in the right and ordered way.

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 Aaron's sons you are to make coats, and bands, and head-dresses, so that they may be clothed with glory and honour.
Exodus 39:28
And the twisted head-dress for Aaron, and beautiful head-dresses of linen, and linen trousers,
1 Corinthians 11:4
Every man who takes part in prayer, or gives teaching as a prophet, with his head covered, puts shame on his head.

Linen breeches

Exodus 28:42
And you are to make them linen trousers, covering their bodies from the middle to the knee;
1 Corinthians 14:40
Let all things be done in the right and ordered way.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain