diff --git a/data/json/flags.json b/data/json/flags.json
index fefd98e41c988..065bad919e303 100644
--- a/data/json/flags.json
+++ b/data/json/flags.json
@@ -910,11 +910,6 @@
     "id": "REVIVE_SPECIAL",
     "type": "json_flag"
   },
-  {
-    "id": "SLOWS_MOVEMENT",
-    "type": "json_flag",
-    "info": "This clothing is restrictive and <bad>slows your movement speed</bad>."
-  },
   {
     "id": "STURDY",
     "type": "json_flag",
diff --git a/data/json/items/armor/suits_protection.json b/data/json/items/armor/suits_protection.json
index 807271fa91891..33e7de669fe75 100644
--- a/data/json/items/armor/suits_protection.json
+++ b/data/json/items/armor/suits_protection.json
@@ -3090,8 +3090,13 @@
     "color": "dark_gray",
     "warmth": 15,
     "material_thickness": 1,
-    "flags": [ "VARSIZE", "SKINTIGHT", "HOOD", "WATERPROOF", "SLOWS_MOVEMENT", "MUNDANE" ],
-    "relic_data": { "passive_effects": [ { "has": "WORN", "values": [ { "value": "THIRST", "multiply": -0.3 } ] } ] },
+    "flags": [ "VARSIZE", "SKINTIGHT", "HOOD", "WATERPROOF", "MUNDANE" ],
+    "relic_data": {
+      "passive_effects": [
+        { "has": "WORN", "values": [ { "value": "THIRST", "multiply": -0.3 } ] },
+        { "condition": "ALWAYS", "values": [ { "value": "MOVE_COST", "multiply": -0.1 } ] }
+      ]
+    },
     "armor": [ { "encumbrance": 18, "coverage": 95, "covers": [ "foot_l", "foot_r", "leg_l", "leg_r", "torso", "arm_l", "arm_r" ] } ]
   },
   {
diff --git a/data/json/items/tool_armor.json b/data/json/items/tool_armor.json
index e0f7370247979..ba27eb84d16a1 100644
--- a/data/json/items/tool_armor.json
+++ b/data/json/items/tool_armor.json
@@ -3868,9 +3868,13 @@
     "ammo": "battery",
     "charges_per_use": 1,
     "use_action": { "type": "transform", "msg": "The %s engages.", "target": "utility_exoskeleton_on", "active": true },
-    "flags": [ "STURDY", "OVERSIZE", "BELTED", "WATER_FRIENDLY", "SLOWS_MOVEMENT", "ELECTRONIC" ],
+    "flags": [ "STURDY", "OVERSIZE", "BELTED", "WATER_FRIENDLY", "ELECTRONIC" ],
     "relic_data": {
-      "passive_effects": [ { "id": "ench_exo_strength" }, { "condition": "ACTIVE", "values": [ { "value": "CARRY_WEIGHT", "add": 215000 } ] } ]
+      "passive_effects": [
+        { "id": "ench_exo_strength" },
+        { "condition": "ACTIVE", "values": [ { "value": "CARRY_WEIGHT", "add": 215000 } ] },
+        { "condition": "ALWAYS", "values": [ { "value": "MOVE_COST", "multiply": -0.1 } ] }
+      ]
     },
     "armor": [
       {
@@ -3917,9 +3921,13 @@
     "ammo": "gasoline",
     "charges_per_use": 1,
     "use_action": { "type": "transform", "msg": "The %s engages.", "target": "ice_utility_exoskeleton_on", "active": true },
-    "flags": [ "STURDY", "OVERSIZE", "BELTED", "WATER_FRIENDLY", "SLOWS_MOVEMENT", "ELECTRONIC" ],
+    "flags": [ "STURDY", "OVERSIZE", "BELTED", "WATER_FRIENDLY", "ELECTRONIC" ],
     "relic_data": {
-      "passive_effects": [ { "id": "ench_exo_strength" }, { "condition": "ACTIVE", "values": [ { "value": "CARRY_WEIGHT", "add": 190000 } ] } ]
+      "passive_effects": [
+        { "id": "ench_exo_strength" },
+        { "condition": "ACTIVE", "values": [ { "value": "CARRY_WEIGHT", "add": 190000 } ] },
+        { "condition": "ALWAYS", "values": [ { "value": "MOVE_COST", "multiply": -0.1 } ] }
+      ]
     },
     "armor": [
       {
diff --git a/data/json/mutations/mutations.json b/data/json/mutations/mutations.json
index d3c153536da1a..e2bed6a081863 100644
--- a/data/json/mutations/mutations.json
+++ b/data/json/mutations/mutations.json
@@ -4088,7 +4088,7 @@
     "name": { "str": "Padded Feet" },
     "points": 1,
     "visibility": 1,
-    "description": "The bottoms of your feet are strongly padded.  You receive no movement penalty for not wearing shoes, and even receive a 10% bonus when moving barefoot.  Also, your steps are significantly quieter, as added tissue dampens the noise.",
+    "description": "The bottoms of your feet are strongly padded.  You receive no movement penalty for not wearing shoes, and your steps are significantly quieter, as added tissue dampens the noise.",
     "types": [ "SOLES" ],
     "category": [ "BATRACHIAN", "RABBIT", "URSINE", "FELINE", "LUPINE", "SPIDER", "BEAST" ],
     "flags": [ "TOUGH_FEET" ],
diff --git a/doc/ARMOR_BALANCE_AND_DESIGN.md b/doc/ARMOR_BALANCE_AND_DESIGN.md
index 4f1bf99dc253b..4cfd29a3616c1 100644
--- a/doc/ARMOR_BALANCE_AND_DESIGN.md
+++ b/doc/ARMOR_BALANCE_AND_DESIGN.md
@@ -574,7 +574,6 @@ FANCY            | Clothing is impractically fancy, (like a top hat)
 SUPER_FANCY      | Even more fancy than fancy
 FILTHY           | Disgusting dirty clothes
 FRAGILE          | Breaks fast
-SLOWS_MOVEMENT   | Slows you down to wear
 
 #### Immunities/Defenses
 **only some of these that are used**
diff --git a/doc/JSON_FLAGS.md b/doc/JSON_FLAGS.md
index a125e6647e735..4a02ea08bacf9 100644
--- a/doc/JSON_FLAGS.md
+++ b/doc/JSON_FLAGS.md
@@ -230,7 +230,6 @@ Some armor flags, such as `WATCH` and `ALARMCLOCK` are compatible with other ite
 - ```ROLLER_QUAD```The medium choice between `ROLLER_INLINE` and `ROLLER_ONE`, while it is more stable, and moves faster, it also has a harsher non-flat terrain penalty than `ROLLER_ONE`.
 - ```SEMITANGIBLE``` Prevents the item from participating in the encumbrance system when worn.
 - ```SKINTIGHT``` Undergarment layer.
-- ```SLOWS_MOVEMENT``` This piece of clothing multiplies move cost by 1.1.
 - ```STAR_PLATE``` Item can be worn with ryūsei battle kit armor; specifically can be put in pocket for armor with this flag restriction.
 - ```STAR_SHOULDER``` Item can be worn with ryūsei battle kit armor ; specifically can be put in pocket for armor with this flag restriction.
 - ```STAR_SKIRT``` Item can be worn with ryūsei battle kit armor; specifically can be put in pocket for armor with this flag restriction.
diff --git a/src/character.cpp b/src/character.cpp
index 6c06c2c4abbad..acbbb63a858cc 100644
--- a/src/character.cpp
+++ b/src/character.cpp
@@ -457,7 +457,6 @@ static const trait_id trait_NOMAD( "NOMAD" );
 static const trait_id trait_NOMAD2( "NOMAD2" );
 static const trait_id trait_NOMAD3( "NOMAD3" );
 static const trait_id trait_PACIFIST( "PACIFIST" );
-static const trait_id trait_PADDED_FEET( "PADDED_FEET" );
 static const trait_id trait_PARAIMMUNE( "PARAIMMUNE" );
 static const trait_id trait_PAWS( "PAWS" );
 static const trait_id trait_PAWS_LARGE( "PAWS_LARGE" );
@@ -10320,14 +10319,6 @@ std::vector<run_cost_effect> Character::run_cost_effects( float &movecost ) cons
         run_cost_effect_mul( flatground_mult, _( "Flat Ground Mut." ) );
     }
 
-    if( has_trait( trait_PADDED_FEET ) && is_barefoot() ) {
-        run_cost_effect_mul( 0.9f, _( "Bare Padded Feet" ) );
-    }
-
-    if( worn_with_flag( flag_SLOWS_MOVEMENT ) ) {
-        run_cost_effect_mul( 1.1f, _( "Tight Clothing" ) );
-    }
-
     if( worn_with_flag( flag_FIN ) ) {
         run_cost_effect_mul( 1.5f, _( "Swim Fins" ) );
     }
diff --git a/src/flag.cpp b/src/flag.cpp
index 4ead11c439f35..613fe80f34616 100644
--- a/src/flag.cpp
+++ b/src/flag.cpp
@@ -306,7 +306,6 @@ const flag_id flag_SKINTIGHT( "SKINTIGHT" );
 const flag_id flag_SLEEP_AID( "SLEEP_AID" );
 const flag_id flag_SLEEP_AID_CONTAINER( "SLEEP_AID_CONTAINER" );
 const flag_id flag_SLEEP_IGNORE( "SLEEP_IGNORE" );
-const flag_id flag_SLOWS_MOVEMENT( "SLOWS_MOVEMENT" );
 const flag_id flag_SLOW_WIELD( "SLOW_WIELD" );
 const flag_id flag_SMOKABLE( "SMOKABLE" );
 const flag_id flag_SMOKED( "SMOKED" );
diff --git a/src/flag.h b/src/flag.h
index 2c0c7a4827488..b3cb0bbe6c1d4 100644
--- a/src/flag.h
+++ b/src/flag.h
@@ -309,7 +309,6 @@ extern const flag_id flag_SKINTIGHT;
 extern const flag_id flag_SLEEP_AID;
 extern const flag_id flag_SLEEP_AID_CONTAINER;
 extern const flag_id flag_SLEEP_IGNORE;
-extern const flag_id flag_SLOWS_MOVEMENT;
 extern const flag_id flag_SLOW_WIELD;
 extern const flag_id flag_SMOKABLE;
 extern const flag_id flag_SMOKED;
diff --git a/tests/move_cost_test.cpp b/tests/move_cost_test.cpp
index 194442974ef08..b851f39ac01f6 100644
--- a/tests/move_cost_test.cpp
+++ b/tests/move_cost_test.cpp
@@ -39,7 +39,6 @@ static const ter_str_id ter_t_pavement( "t_pavement" );
 
 static const trait_id trait_HOOVES( "HOOVES" );
 static const trait_id trait_LEG_TENTACLES( "LEG_TENTACLES" );
-static const trait_id trait_PADDED_FEET( "PADDED_FEET" );
 static const trait_id trait_TOUGH_FEET( "TOUGH_FEET" );
 
 TEST_CASE( "being_knocked_down_triples_movement_cost", "[move_cost][downed]" )
@@ -200,19 +199,6 @@ TEST_CASE( "mutations_may_affect_movement_cost", "[move_cost][mutation]" )
             CHECK( ava.run_cost( 100 ) == Approx( base_cost ) );
         }
     }
-
-    GIVEN( "PADDED_FEET" ) {
-        ava.toggle_trait( trait_PADDED_FEET );
-        THEN( "wearing sneakers gives baseline 100 movement speed" ) {
-            ava.clear_worn();
-            ava.wear_item( item( "sneakers" ) );
-            CHECK( ava.run_cost( 100 ) == Approx( base_cost ) );
-        }
-        THEN( "being barefoot is faster than wearing sneakers" ) {
-            ava.clear_worn();
-            CHECK( ava.run_cost( 100 ) == Approx( 0.9 * base_cost ) );
-        }
-    }
 }
 
 TEST_CASE( "Crawl_score_effects_on_movement_cost", "[move_cost]" )