diff --git a/data/json/items/armor/ammo_pouch.json b/data/json/items/armor/ammo_pouch.json
index 2965744f19d68..e1b68d85c0d3e 100644
--- a/data/json/items/armor/ammo_pouch.json
+++ b/data/json/items/armor/ammo_pouch.json
@@ -291,7 +291,7 @@
     "encumbrance": 15,
     "storage": "1 L",
     "warmth": 15,
-    "material_thickness": 5,
+    "material_thickness": 9,
     "use_action": {
       "type": "holster",
       "holster_prompt": "Stash ammo",
@@ -322,10 +322,10 @@
     "color": "light_cyan",
     "covers": [ "TORSO" ],
     "coverage": 85,
-    "encumbrance": 45,
+    "encumbrance": 25,
     "storage": "1 L",
     "warmth": 15,
-    "material_thickness": 4,
+    "material_thickness": 5,
     "use_action": {
       "type": "holster",
       "holster_prompt": "Stash ammo",
@@ -356,10 +356,10 @@
     "color": "light_gray",
     "covers": [ "TORSO" ],
     "coverage": 85,
-    "encumbrance": 8,
+    "encumbrance": 12,
     "storage": "1 L",
     "warmth": 15,
-    "material_thickness": 5,
+    "material_thickness": 6,
     "use_action": {
       "type": "holster",
       "holster_prompt": "Stash ammo",
@@ -390,10 +390,10 @@
     "color": "light_cyan",
     "covers": [ "TORSO" ],
     "coverage": 85,
-    "encumbrance": 30,
+    "encumbrance": 20,
     "storage": "1 L",
     "warmth": 15,
-    "material_thickness": 5,
+    "material_thickness": 7,
     "use_action": {
       "type": "holster",
       "holster_prompt": "Stash ammo",
@@ -427,7 +427,7 @@
     "encumbrance": 15,
     "storage": "1 L",
     "warmth": 15,
-    "material_thickness": 5,
+    "material_thickness": 6,
     "use_action": {
       "type": "holster",
       "holster_prompt": "Stash ammo",
diff --git a/data/json/items/armor/suits_protection.json b/data/json/items/armor/suits_protection.json
index 1bb18cb98d211..d3d38be51d116 100644
--- a/data/json/items/armor/suits_protection.json
+++ b/data/json/items/armor/suits_protection.json
@@ -14,10 +14,9 @@
     "color": "light_red",
     "covers": [ "LEGS", "TORSO", "ARMS" ],
     "coverage": 100,
-    "encumbrance": 30,
-    "storage": "4 L",
+    "encumbrance": 20,
     "warmth": 35,
-    "material_thickness": 3,
+    "material_thickness": 7,
     "environmental_protection": 9,
     "flags": [ "VARSIZE", "WATERPROOF", "HOOD", "RAINPROOF", "STURDY", "RAD_RESIST", "OUTER" ]
   },
@@ -36,9 +35,9 @@
     "color": "light_red",
     "covers": [ "HEAD", "TORSO", "ARMS", "HANDS", "LEGS", "FEET" ],
     "coverage": 100,
-    "encumbrance": 45,
+    "encumbrance": 35,
     "warmth": 50,
-    "material_thickness": 3,
+    "material_thickness": 7,
     "environmental_protection": 20,
     "flags": [ "VARSIZE", "WATERPROOF", "RAINPROOF", "GAS_PROOF", "STURDY", "RAD_PROOF", "ELECTRIC_IMMUNE", "OUTER" ]
   },
@@ -717,7 +716,7 @@
     "encumbrance": 25,
     "storage": "5 L",
     "warmth": 35,
-    "material_thickness": 7,
+    "material_thickness": 11,
     "valid_mods": [ "steel_padded" ],
     "environmental_protection": 4,
     "flags": [ "POCKETS", "STURDY" ]