Exodus 39:27-29 NIV

27 For Aaron and his sons, they made tunics of fine linen1--the work of a weaver--

References for Exodus 39:27

28 and the turban2 of fine linen, the linen headbands and the undergarments of finely twisted linen.

References for Exodus 39:28

29 The sash was of finely twisted linen and blue, purple and scarlet yarn--the work of an embroiderer--as the LORD commanded Moses.