diff --git a/Content.Shared/Clothing/ClothingSpeedModifierSystem.cs b/Content.Shared/Clothing/ClothingSpeedModifierSystem.cs
index 8910d461da4..fe17e94e163 100644
--- a/Content.Shared/Clothing/ClothingSpeedModifierSystem.cs
+++ b/Content.Shared/Clothing/ClothingSpeedModifierSystem.cs
@@ -25,6 +25,8 @@ public override void Initialize()
         SubscribeLocalEvent<ClothingSpeedModifierComponent, ComponentGetState>(OnGetState);
         SubscribeLocalEvent<ClothingSpeedModifierComponent, ComponentHandleState>(OnHandleState);
         SubscribeLocalEvent<ClothingSpeedModifierComponent, InventoryRelayedEvent<RefreshMovementSpeedModifiersEvent>>(OnRefreshMoveSpeed);
+        SubscribeLocalEvent<ClothingSpeedModifierComponent, InventoryRelayedEvent<RefreshFrictionModifiersEvent>>(OnRefreshFriction); // Mono
+        SubscribeLocalEvent<ClothingSpeedModifierComponent, InventoryRelayedEvent<RefreshWeightlessModifiersEvent>>(OnRefreshWeightless); // Mono
         SubscribeLocalEvent<ClothingSpeedModifierComponent, GetVerbsEvent<ExamineVerb>>(OnClothingVerbExamine);
         SubscribeLocalEvent<ClothingSpeedModifierComponent, ItemToggledEvent>(OnToggled);
     }
@@ -49,7 +51,7 @@ private void OnHandleState(EntityUid uid, ClothingSpeedModifierComponent compone
         // We'll still set the values in case they're slightly different but within tolerance.
         if (diff && _container.TryGetContainingContainer((uid, null, null), out var container))
         {
-            _movementSpeed.RefreshMovementSpeedModifiers(container.Owner);
+            _movementSpeed.RefreshMovementSpeedModifiers(container.Owner, alsoFriction: true); // Mono
         }
     }
 
@@ -73,6 +75,44 @@ private void OnRefreshMoveSpeed(EntityUid uid, ClothingSpeedModifierComponent co
         // DeltaV End - Introduce ClothingSlowResistance to Species
     }
 
+    // Mono
+    private void OnRefreshFriction(Entity<ClothingSpeedModifierComponent> ent, ref InventoryRelayedEvent<RefreshFrictionModifiersEvent> args)
+    {
+        if (!_toggle.IsActivated(ent.Owner))
+            return;
+        Log.Info($"got");
+
+        if (_container.TryGetContainingContainer(ent.Owner, out var container))
+        {
+            var ev = new ModifyClothingSlowdownEvent(ent.Comp.WalkModifier, ent.Comp.SprintModifier);
+            RaiseLocalEvent(container.Owner, ref ev);
+            args.Args.ModifyAcceleration(ev.RunModifier);
+        }
+        else
+        {
+            args.Args.ModifyAcceleration(ent.Comp.SprintModifier);
+        }
+    }
+
+    // Mono
+    private void OnRefreshWeightless(Entity<ClothingSpeedModifierComponent> ent, ref InventoryRelayedEvent<RefreshWeightlessModifiersEvent> args)
+    {
+        if (!_toggle.IsActivated(ent.Owner))
+            return;
+        Log.Info($"got");
+
+        if (_container.TryGetContainingContainer(ent.Owner, out var container))
+        {
+            var ev = new ModifyClothingSlowdownEvent(ent.Comp.WalkModifier, ent.Comp.SprintModifier);
+            RaiseLocalEvent(container.Owner, ref ev);
+            args.Args.ModifyAcceleration(ev.RunModifier);
+        }
+        else
+        {
+            args.Args.ModifyAcceleration(ent.Comp.SprintModifier);
+        }
+    }
+
     private void OnClothingVerbExamine(EntityUid uid, ClothingSpeedModifierComponent component, GetVerbsEvent<ExamineVerb> args)
     {
         if (!args.CanInteract || !args.CanAccess)
@@ -128,12 +168,12 @@ private void OnClothingVerbExamine(EntityUid uid, ClothingSpeedModifierComponent
     private void OnToggled(Entity<ClothingSpeedModifierComponent> ent, ref ItemToggledEvent args)
     {
         // make sentient boots slow or fast too
-        _movementSpeed.RefreshMovementSpeedModifiers(ent);
+        _movementSpeed.RefreshMovementSpeedModifiers(ent, alsoFriction: true); // Mono
 
         if (_container.TryGetContainingContainer((ent.Owner, null, null), out var container))
         {
             // inventory system will automatically hook into the event raised by this and update accordingly
-            _movementSpeed.RefreshMovementSpeedModifiers(container.Owner);
+            _movementSpeed.RefreshMovementSpeedModifiers(container.Owner, alsoFriction: true); // Mono
         }
     }
 }
diff --git a/Content.Shared/Inventory/InventorySystem.Equip.cs b/Content.Shared/Inventory/InventorySystem.Equip.cs
index 94a4d08db11..dda443d8860 100644
--- a/Content.Shared/Inventory/InventorySystem.Equip.cs
+++ b/Content.Shared/Inventory/InventorySystem.Equip.cs
@@ -195,7 +195,7 @@ public bool TryEquip(EntityUid actor, EntityUid target, EntityUid itemUid, strin
 
         Dirty(target, inventory);
 
-        _movementSpeed.RefreshMovementSpeedModifiers(target);
+        _movementSpeed.RefreshMovementSpeedModifiers(target, alsoFriction: true); // Mono
 
         return true;
     }
@@ -519,7 +519,7 @@ private bool TryUnequip(
 
         Dirty(target, inventory);
 
-        _movementSpeed.RefreshMovementSpeedModifiers(target);
+        _movementSpeed.RefreshMovementSpeedModifiers(target, alsoFriction: true); // Mono
 
         return true;
     }
diff --git a/Content.Shared/Inventory/InventorySystem.Relay.cs b/Content.Shared/Inventory/InventorySystem.Relay.cs
index 00a89043696..66e5e037e04 100644
--- a/Content.Shared/Inventory/InventorySystem.Relay.cs
+++ b/Content.Shared/Inventory/InventorySystem.Relay.cs
@@ -53,6 +53,7 @@ public void InitializeRelay()
 
         // by-ref events
         SubscribeLocalEvent<InventoryComponent, RefreshFrictionModifiersEvent>(RefRelayInventoryEvent);
+        SubscribeLocalEvent<InventoryComponent, RefreshWeightlessModifiersEvent>(RefRelayInventoryEvent); // Mono
         SubscribeLocalEvent<InventoryComponent, GetExplosionResistanceEvent>(RefRelayInventoryEvent);
         SubscribeLocalEvent<InventoryComponent, IsWeightlessEvent>(RefRelayInventoryEvent);
         SubscribeLocalEvent<InventoryComponent, GetSpeedModifierContactCapEvent>(RefRelayInventoryEvent);
diff --git a/Content.Shared/Movement/Systems/MovementSpeedModifierSystem.cs b/Content.Shared/Movement/Systems/MovementSpeedModifierSystem.cs
index 55997f9bc5f..4749bb96c5e 100644
--- a/Content.Shared/Movement/Systems/MovementSpeedModifierSystem.cs
+++ b/Content.Shared/Movement/Systems/MovementSpeedModifierSystem.cs
@@ -77,7 +77,8 @@ public void RefreshWeightlessModifiers(EntityUid uid, MovementSpeedModifierCompo
             Dirty(uid, move);
         }
 
-        public void RefreshMovementSpeedModifiers(EntityUid uid, MovementSpeedModifierComponent? move = null)
+        public void RefreshMovementSpeedModifiers(EntityUid uid, MovementSpeedModifierComponent? move = null,
+            bool alsoFriction = false) // Mono
         {
             if (!Resolve(uid, ref move, false))
                 return;
@@ -88,6 +89,13 @@ public void RefreshMovementSpeedModifiers(EntityUid uid, MovementSpeedModifierCo
             var ev = new RefreshMovementSpeedModifiersEvent();
             RaiseLocalEvent(uid, ev);
 
+            // Mono
+            if (alsoFriction)
+            {
+                RefreshFrictionModifiers(uid, move);
+                RefreshWeightlessModifiers(uid, move);
+            }
+
             if (MathHelper.CloseTo(ev.WalkSpeedModifier, move.WalkSpeedModifier) &&
                 MathHelper.CloseTo(ev.SprintSpeedModifier, move.SprintSpeedModifier))
                 return;
@@ -173,7 +181,7 @@ public void ModifySpeed(float mod)
     }
 
     [ByRefEvent]
-    public record struct RefreshWeightlessModifiersEvent
+    public record struct RefreshWeightlessModifiersEvent : IInventoryRelayEvent // Mono
     {
         public float WeightlessAcceleration;
         public float WeightlessAccelerationMod;
@@ -207,6 +215,7 @@ public void ModifyAcceleration(float modifier)
         {
             ModifyAcceleration(modifier, modifier);
         }
+        SlotFlags IInventoryRelayEvent.TargetSlots => ~SlotFlags.POCKET;
     }
     [ByRefEvent]
     public record struct RefreshFrictionModifiersEvent : IInventoryRelayEvent