'Linen' in the Bible

The sons of Shelah, the son of Judah: Er the father of Lecah, Laadah the father of Mareshah, and the families of the house of linen workers at Beth Ashbea;

Now David was clothed with a robe of fine linen; so also all the Levites who were carrying the ark, the singers, and Kenaniah the chief of the singing. And David wore a linen ephod.