Exodus 28:42

Make linen undergarments to cover them down to their thighs.

Leviticus 6:10

The priest must put on his linen clothes. This includes linen undergarments. Then he will remove the ashes left on the altar from the fire that consumed the burnt offering and will put them next to the altar.

Leviticus 16:4

He must dress in a holy linen robe and wear linen undergarments. He must wear a linen belt and turban. These are holy clothes. He should wash his body and put them on.

Ezekiel 44:18

They must wear linen turbans on their heads and linen undergarments. They must not wear anything that makes them sweat.

Exodus 39:28

They also made the chief priest's turban and the other beautiful turbans out of fine linen. They made the undergarments and belt out of fine linen yarn.

Exodus 20:26

Do not build an altar for me with steps leading up to it. If you do, you will expose yourselves as you go up the steps.

Revelation 3:18

I counsel you to buy gold from me, gold purified by fire, so that you may be rich; and white clothing, so that you may be clothed. In this way the shame of your nakedness will not appear. And anoint your eyes with eye salve, so that you may see.

Treasury of Scripture Knowledge

Summary

And thou shalt make them linen breeches to cover their nakedness; from the loins even unto the thighs they shall reach:

Bible References

Breeches

Exodus 20:26
Do not build an altar for me with steps leading up to it. If you do, you will expose yourselves as you go up the steps.
Exodus 39:28
They also made the chief priest's turban and the other beautiful turbans out of fine linen. They made the undergarments and belt out of fine linen yarn.
Leviticus 6:10
The priest must put on his linen clothes. This includes linen undergarments. Then he will remove the ashes left on the altar from the fire that consumed the burnt offering and will put them next to the altar.
Leviticus 16:4
He must dress in a holy linen robe and wear linen undergarments. He must wear a linen belt and turban. These are holy clothes. He should wash his body and put them on.
Ezekiel 44:18
They must wear linen turbans on their heads and linen undergarments. They must not wear anything that makes them sweat.
Revelation 3:18
I counsel you to buy gold from me, gold purified by fire, so that you may be rich; and white clothing, so that you may be clothed. In this way the shame of your nakedness will not appear. And anoint your eyes with eye salve, so that you may see.