Halo 5 Concept Armor

So Halo 5 clearly has a large selection of armors in the game, however there are some that never made it into the game, whether they were alternate helmets or simply full sets that never made it. Some of them I personally question how they never made it into the game in any form, while some extremely out of place sets made it. Thoughts?

Cyclops Set:

Removed/Scrapped Sets:

I’m interested in what others think of these.