Ezekiel 44:17

And it shall come to pass, that when they enter in at the gates of the inner court, they shall be clothed with linen garments; and no wool shall come upon them, whiles they minister in the gates of the inner court, and within.

Cross-reference

Exodus 28:40 gives the original command for priestly garments (coats, girdles, bonnets) that Ezekiel's linen requirement builds upon.

Exodus 28:43 stresses wearing linen breeches when entering the tabernacle to avoid iniquity — the same principle of proper priestly attire in Ezekiel.

Exodus 39:27-29 describes making fine linen coats, turban, breeches, and girdle — directly parallel to Ezekiel's linen garments for the inner court.

Leviticus 16:4 specifies linen garments for the high priest on the Day of Atonement — same material requirement for entering holy space.

Leviticus 6:10 commands the priest to wear linen garment and breeches when removing ashes — same linen attire for priestly duty.