Armor is a recurring element throughout the entire Red vs. Blue franchise, being suits of combat armor almost every single character is outfitted with head-to-toe. While, in the official Halo franchise, the Spartan armor is reserved solely for elite Spartan soldiers, the armor of Red vs. Blue seems to be the equivalent of generic military fatigues as every single soldier is equipped with a suit of it. Even non-combatants like investigative journalists wear full armor for unknown reasons.

The coloring of the armor of each character is, in most cases, the singular thing that physically distinguishes them and very few characters are ever seen outside of their armor no matter what, maintaining an unbreakable anonymity. As the series constantly switches game engines to film in, armor models also constantly switch, and some characters are outfitted with a special model to illustrate their importance.

List of armor colors

Reds and Blues

• Sarge - Red
• Simmons - Maroon
• Grif - Orange
• Donut - Pink (“Lightish Red”)
• Lopez - Brown
• Church - Cobalt
• Tucker - Aqua
• Caboose - Blue
• Tex - Black
• Sister - Yellow
• Doc - Purple
• Junior - Aqua w/ Blue trim
• Washington - Steel w/ Yellow trim; Cobalt w/ Yellow trim
• Carolina - Cyan; Cyan w/ Silver trim

Freelancers

• Wyoming - White
• South Dakota - Orchid w/ Green trim
• North Dakota - Violet w/ Green trim
• Connecticut - Brown w/ white trim; Brown
• Maine - White; White w/ Brown/Orange trim
• New York - Tan w/ Silver trim
• Illinois - Aqua
• Georgia - Green
• Utah - White
• Ohio - Cobalt w/ White Trim
• Idaho - Blue w/ White Trim
• Iowa - Blue w/ White Trim

Chorus

• Kimball - Sand w/ Ice trim
• Jensen - Sand w/ Maroon trim
• Palomo - Sand w/ Aqua trim
• Smith - Sand w/ Blue trim
• Bitters - Sand w/ Orange trim
• Doyle - White w/ Gold trim
• Dr. Grey - White w/ Purple trim

Charon Industries

• Locus - Steel w/ Sage trim
• Felix - Steel w/ Orange trim
• Sharkface, Girlie, Demo Man, Resistance Sniper, and Sleeveless Soldier - Black w/ Red trim

Cosmic Powers

• Atlus Arcadium Rex   - Silver w/ Gold trim
• Kalirama - Black w/ Sage trim
• Genkins - Green w/ Silver trim
• Burnstorm - Steel w/ Orange trim
• Chrovos - Steel
• Apovos - Orange w/ Black trim
• Fates - White
• Labyrinth (A.I.) - Light Grey w/ Maroon trim

Interstellar Daily

• Dylan Andrews - White w/ Cyan trim
• Jax Jonez - White w/ Cyan trim

Shatter Squad

• One - Blue w/ Yellow trim
• East - Magenta w/ Orchid trim
• West - Tan w/ Black trim
• Raymond - Orange w/ Green, Red, and Brown trim
• Axel - Red w/ Steel trim

Viper

• Zero - Maroon w/ Steel trim
• Phase - Black w/ Magenta trim
• Diesel - Grey w/ Navy trim

Other

• Jacob J. Jenkins - Green
• Kohan Wooter - Light Grey w/ Red trim
• Spencer Porkensenson - Black w/ Red trim
• Tiny - Gold w/ Purple trim

List of models

• Mark V - Halo: Combat Evolved model and Caboose's armor throughout the entire series (excluding the Halo 2-filmed episodes and early episodes of Season 11)
• Mark VI - Halo 2, Halo 3, Halo 4 and Halo 5 model, also worn by all Freelancers besides Tex and Wyoming (who wore the Mark V in their first appearances), Carolina, and the Meta in Season 9 and 10 .
• V Variant - The Meta's armor.
• Rogue (Halo 3) \ Recon (Halo 4 onward) - Carolina's and the female Space Pirates' armor.
• EOD - C.T.'s armor
• Reach - The Epsilon-Doubles' armor in Halo: Reach, used in Season 9 and Season 10.
• ODST -  Sarge's, Simmons's, Grif's and Church's armor in The Man, The Myth, The Legend, filmed in Halo: ODST.
• Insurrectionist - The nameless Marine-esque armor the soldiers of Charon Industries wear.
• Air Assault - The New Republic's armor.
• Prefect (Halo 4), Cypher (Halo 5) - The Federal Army of Chorus's armor.
• S Variant - Felix's armor.
• Locus - Locus's armor.
• Enforcer - The male Space Pirates' armor.
• Intruder - Dylan Andrews's armor
• Argus - Cameramen armor (Jax Jonez, Frank)

Gallery

Trivia

• A running gag is that Caboose is always outfitted with the oldest, Combat Evolved model while everyone else moves on to the newer models. Although Caboose is written as wearing the older Mark V Halo: Combat Evolved armor starting in Reconstruction, the models used to represent him across all-usable engines typically only wear the Mark V helmet. In Halo 3, the helmet was the only Mark V piece available. Although the full Mark V armor was available to wear in Halo: Reach and Halo 4, Rooster Teeth's standard practice is to swap the standard Blood Gulch soldier armor setup with the Mark V helmet to represent Caboose and simply refer to it as the Mark V armor.
• The Halo 2 armor has a visible difference between the Xbox and PC versions: the latter always stamps a team emblem in the arm (an eagle for the Blues, a snake for the Reds, a pill for Doc\O'Malley, and the Project Freelancer trefoil for Tex).
• Before the switch to the Halo 3 engine in Reconstruction, Rooster Teeth experimented with custom armor combinations to create individualized character models for the Blood Gulch Troopers. According to series creator Burnie Burns in the Reconstruction DVD commentary, the idea was dropped because none of the armors felt suitable, opting to leave them in the Mark VI armor.
• In Halo 4, the Mark VI armor was represented using the full Mark VI armor with the torso armor swapped with the Stalker torso armor. According to Chorus Trilogy writer Miles Luna in the Season 11 DVD commentary, the Stalker torso was used in place of the Mark VI torso due to a combination of clipping issues involved with the alert-carry pose and the fact it made the characters look "too burly". After the switch to the Halo 5 Guardians engine, the characters now wear complete Mark VI armor.
• The durability of the combat armor is inconsistent, though it's generally accepted that the armor can allow wearers to shrug off explosions and falls from massive heights, but gun-shots to the head are instant kills. Examples of this is Cronut and Felix surviving direct explosions at their feet while Biff was killed by a wooden pole that pierced through his armor, or Donut nearly dying from a gunshot to the chest despite surviving a plasma grenade to the head.
• In the PSAs Save the Date and Remember To Not Forget, done months before the release of Halo 4, the characters are actually seen in the Warrior Armor.

• The Achilles armor, which is the hardest to get in Halo 5, is used in Season 16 separately: the body is worn by Atlus Arcadium Rex and Genkins, the helmet by Private Alex.
• Many armor models made specifically for original animated scenes are combinations of armors from different Halo titles, such as the Insurrectionists and certain configurations of the Meta's armor. In some cases, custom armor uses combinations that are not possible within any game, such as the Insurrectionists using shoulder armor as thigh armor.
• The only human characters in the entire franchise who don't wear full-body armor are Dr. Leonard Church, Aiden Price, Malcolm Hargrove, all characters in the "Club", "Call", "Consequences" trilogy, and Allison.