Exodus 28:40

40 Make tunics, sashes and caps for Aaron’s sons to give them dignity and honor.

Read Exodus 28:40 Using Other Translations

And for Aaron's sons thou shalt make coats, and thou shalt make for them girdles, and bonnets shalt thou make for them, for glory and for beauty.
"For Aaron's sons you shall make coats and sashes and caps. You shall make them for glory and beauty.
“For Aaron’s sons, make tunics, sashes, and special head coverings that are glorious and beautiful.