1 Samuel 17:38-39

And Saul armed David with his armour, and he put an helmet of brass upon his head; also he armed him with a coat of mail. {armed David...: Heb. clothed David with his clothes} And David girded his sword upon his armour, and he assayed to go; for he had not proved {it}. And David said unto Saul, I cannot go with these; for I have not proved {them}. And David put them off him.