King James Version
Wherefore take unto you the whole armour of God, that ye may be able to withstand in the evil day, and having done all, to stand.English Standard Version
Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand firm.New International Version
Therefore put on the full armor of God, so that when the day of evil comes, you may be able to stand your ground, and after you have done everything, to stand.