KJV:
And they shall be as mighty men, which tread down their enemies in the mire of the streets in the battle: and they shall fight, because the LORD is with them, and the riders on horses shall be confounded.
NASB:
"They will be as mighty men, Treading down the enemy in the mire of the streets in battle; And they will fight, for the LORD will be with them; And the riders on horses will be put to shame.