Stand, &c. Here are defined the panoplia of God. These are seven (App-10); three for enduement, girdle, breastplate, shoes; two are weapons of defense, shield and helmet; two for offence, sword and spear.
having your loins girt about = having girded your loins.
truth. Greek. aletheia. See App-175.
having on = having put on, as in Eph_6:11.
breastplate of righteousness. Compare Messiah's panoply, Isa_11:5; Isa_59:17.