Exodus 28:4-6

New International Version - UK

⁴ These are the garments they are to make: a breastpiece, an ephod, a robe, a woven tunic, a turban and a sash. They are to make these sacred garments for your brother Aaron and his sons, so that they may serve me as priests. ⁵ Make them use gold, and blue, purple and scarlet yarn, and fine linen.

The ephod

⁶ ‘Make the ephod of gold, and of blue, purple and scarlet yarn, and of finely twisted linen – the work of skilled hands.