Exodus 28:4-6

New Revised Standard Version Catholic Edition

⁴ These are the vestments that they shall make: a breastpiece, an ephod, a robe, a checkered tunic, a turban, and a sash. When they make these sacred vestments for your brother Aaron and his sons to serve me as priests, ⁵ they shall use gold, blue, purple, and crimson yarns, and fine linen.

The Ephod

⁶ They shall make the ephod of gold, of blue, purple, and crimson yarns, and of fine twisted linen, skillfully worked.