Exodus 28:4

28:4 Now these are the garments that they are to make: a breastpiece, an ephod, a robe, a fitted tunic, a turban, and a sash. They are to make holy garments for your brother Aaron and for his sons, that they may minister as my priests.

Exodus 28:37

28:37 You are to attach to it a blue cord so that it will be on the turban; it is to be on the front of the turban,

Exodus 28:39

28:39 You are to weave the tunic of fine linen and make the turban of fine linen, and make the sash the work of an embroiderer.