Exodus 28:39

And thou shalt embroider the coat of fine linen— This was the inmost of the vestments, which reached down to the heels, with sleeves to the wrists. The girdle or sash was used to gird the priest's coat close to him, which was tucked up also in the girdle when he officiated, that it might not encumber him in his service.

Note; 1. From the golden plate on Aaron's forehead we may learn, (1.) That God's ministers must never be ashamed of their profession. (2.) That they who appear before God should have holiness written on their hearts. (3.) That true holiness is not a superficial thing, but deeply engraven and durable. 2. His linen mitre or diadem may remind us, that our High-Priest is also our King; he not only atones for our sins, but will subdue all our enemies within or without us.