Exodus 39:22-31

Then they made the outer robe to be worn under the holy vest. It was woven only of blue cloth. They made a hole in the center of the outer robe, with a woven collar sewn around it so it would not tear. Then they made balls like pomegranates of blue, purple, and red thread, and fine linen and hung them around the bottom of the outer robe. They also made bells of pure gold and hung these around the bottom of the outer robe between the balls. So around the bottom of the outer robe there was a bell and a pomegranate ball, a bell and a pomegranate ball. The priest wore this outer robe when he served as priest, just as the LORD had commanded Moses. They wove inner robes of fine linen for Aaron and his sons, and they made turbans, headbands, and underclothes of fine linen. Then they made the cloth belt of fine linen, and blue, purple, and red thread, and designs were sewn onto it, just as the LORD had commanded Moses. They made a strip of pure gold, which is the holy crown, and carved these words in the gold, as one might carve on a seal: “Holy to the LORD.” Then they tied this flat piece to the turban with a blue ribbon, as the LORD had commanded Moses.