John Gills Exposition of the Bible Commentary - 1 Samuel 17:5
And he had an helmet of brass upon his head ,.... This was a piece of armour, which covered the head in the day of battle; these were usually made of the skins of beasts, of leather, and which were covered with plates of iron, or brass; and sometimes made of all iron, or of brass F7 Vid. Lydium "de re militari": l. 3. c. 5. p. 63. ; as this seems to have been: and he was armed with a coat of mail ; which reached from the neck to the middle, and consisted of various plates of brass... read more
Matthew Henry's Complete Commentary - 1 Samuel 17:1-11
It was not long ago that the Philistines were soundly beaten, and put to the worse, before Israel, and they would have been totally routed if Saul's rashness had not prevented; but here we have them making head again. Observe, I. How they defied Israel with their armies, 1 Sam. 17:1. They made a descent upon the Israelites? country, and possessed themselves, as it should seem, of some part of it, for they encamped in a place which belonged to Judah. Israel's ground would never have been... read more