Chapter 2:18 high lights two important facts. First, Samuel ministered before the Lord while wearing a linen ephod. It was simple apron or loincloth worn by these priests attending to the sacred ...

The trousers [mikhnasaim] atone for forbidden sexual relations, as it is written [with regard to the priestly vestments]: “And you shall make them linen ... The ephod of the High Priest atones ...