And they had breastplates like iron breastplates. And the noise of their wings was like the noise of many running horses, rushing to battle
Other versions
King James Version
And they had breastplates, as it were breastplates of iron; and the sound of their wings was as the sound of chariots of many horses running to battle.English Standard Version
they had breastplates like breastplates of iron, and the noise of their wings was like the noise of many chariots with horses rushing into battle.New International Version
They had breastplates like breastplates of iron, and the sound of their wings was like the thundering of many horses and chariots rushing into battle.