diff --git a/Resources/Prototypes/_Goobstation/Entities/Clothing/Head/modsuit.yml b/Resources/Prototypes/_Goobstation/Entities/Clothing/Head/modsuit.yml
index 09be4262a85..d2cb379f21d 100644
--- a/Resources/Prototypes/_Goobstation/Entities/Clothing/Head/modsuit.yml
+++ b/Resources/Prototypes/_Goobstation/Entities/Clothing/Head/modsuit.yml
@@ -125,4 +125,11 @@
   - type: BatterySelfRecharger
     autoRecharge: true
     autoRechargeRate: 2
+  - type: Tag
+    tags:
+    - PlasmamanSafe
+    - Envirohelm
+  - type: IgniteFromGasImmunity
+    parts:
+    - Head
 
diff --git a/Resources/Prototypes/_Goobstation/Research/experimental.yml b/Resources/Prototypes/_Goobstation/Research/experimental.yml
index 732c3370166..06393b972f1 100644
--- a/Resources/Prototypes/_Goobstation/Research/experimental.yml
+++ b/Resources/Prototypes/_Goobstation/Research/experimental.yml
@@ -5,10 +5,8 @@
     sprite: _Goobstation/Objects/Specific/Robotics/modsuit_parts.rsi
     state: mod-core-standard
   discipline: Experimental
-  tier: 3
+  tier: 1
   cost: 5000
-  technologyPrerequisites:
-  - AdvancedTacsuits
   softCapContribution: 1.5
   recipeUnlocks:
   - ModsuitChestplate
diff --git a/Resources/Prototypes/_TG/Entities/Clothing/Modsuits/SyndicateModsuits.yml b/Resources/Prototypes/_TG/Entities/Clothing/Modsuits/SyndicateModsuits.yml
index 9df8f10590e..af0be257d21 100644
--- a/Resources/Prototypes/_TG/Entities/Clothing/Modsuits/SyndicateModsuits.yml
+++ b/Resources/Prototypes/_TG/Entities/Clothing/Modsuits/SyndicateModsuits.yml
@@ -97,7 +97,8 @@
           Blunt: 0.70
           Slash: 0.70
           Piercing: 0.80
-          Heat: 0.60
+          Heat: 0.70
+          Radiation: 0.70
     - type: TemperatureProtection
       coefficient: 0.01
     - type: ClothingModifyStunTime
@@ -228,6 +229,8 @@
   components:
     - type: Sprite
       sprite: _TG/Clothing/Modsuit/syndicateelitemodsuit.rsi
+    - type: ExplosionResistance
+      damageCoefficient: 0.2
     - type: Armor
       modifiers:
         flatReductions:
@@ -237,8 +240,9 @@
           Blunt: 0.70
           Slash: 0.70
           Piercing: 0.80
-          Heat: 0.60
-          Radiation: 0.40
+          Heat: 0.40
+          Radiation: 0.30
+          Caustic: 0.6
     - type: TemperatureProtection
       coefficient: 0.01
     - type: ClothingModifyStunTime