Exodus 28:42

And make for them undergarments of linen to cover naked flesh; they will be from loins to thigh.

Leviticus 6:10

And the priest shall put on his linen robe, and he must put his linen undergarments on his body, and he shall take away the fatty ashes [of] the burnt offering that the fire has consumed on the altar, and he shall place them beside the altar.

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.

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 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,

Exodus 20:26

You will not go up with steps onto my altar, that your nakedness not be exposed on it.'

Revelation 3:18

I advise you to buy from me gold refined by fire, in order that you may become rich, and white clothing, in order that you may be clothed and the shame of your nakedness may not be revealed, and eye salve to smear on your eyes, in order 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
You will not go up with steps onto my altar, that your nakedness not be exposed on it.'
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 6:10
And the priest shall put on his linen robe, and he must put his linen undergarments on his body, and he shall take away the fatty ashes [of] the burnt offering that the fire has consumed on the altar, and he shall place them beside the altar.
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.
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.
Revelation 3:18
I advise you to buy from me gold refined by fire, in order that you may become rich, and white clothing, in order that you may be clothed and the shame of your nakedness may not be revealed, and eye salve to smear on your eyes, in order that you may see.