For me it’s either
Helmet- Eod with red visor
Visor Solar ( red )
Colors - pure steel
Chest- Gungnir
Shoulders- Gungnir
Legs- contoured
Arms- twin plated
Or
Cobra Commander 
Helmet- Orbital
Visor- Frost
Colors- primary blue secondary steel
Chest- Eva
Shoulders- Air Assault
Legs - recruit
Arms- recruit
Anyway what are your fav halo 4 armor permutations ?
favorite helmet in the game has got to be operator for me and the rest of the armor a mix of things
Mark VI Helmet
Midnight Visor
Mark VI Torso
Mark VI Shoulders
Mark VI Forearms
Mark VI Legs
-or-
Raider Helmet
Midnight Visor
Raider Torso
Raider Shoulders
Outer Plated Forearms
XG-89 Narrow Legs
I like the armour that most makes me look like a Power Ranger.
(which is pretty much all of them).
I love my Transformer Armor! lol