diff --git a/code/game/objects/structures/crates_lockers/closets/job_closets.dm b/code/game/objects/structures/crates_lockers/closets/job_closets.dm
index 1f0a3386f4e..4ac722a6719 100644
--- a/code/game/objects/structures/crates_lockers/closets/job_closets.dm
+++ b/code/game/objects/structures/crates_lockers/closets/job_closets.dm
@@ -188,9 +188,6 @@
 	new /obj/item/clothing/shoes/sneakers/black(src)
 	new /obj/item/clothing/shoes/sneakers/black(src)
 	new /obj/item/clothing/shoes/sneakers/black(src)
-	new /obj/item/clothing/head/hardhat/atmos(src)
-	new /obj/item/clothing/head/hardhat/atmos(src)
-	new /obj/item/clothing/head/hardhat/atmos(src)
 	return
 
 /obj/structure/closet/wardrobe/engineering_yellow
diff --git a/code/game/objects/structures/crates_lockers/closets/secure/engineering.dm b/code/game/objects/structures/crates_lockers/closets/secure/engineering.dm
index c03090a5119..a37b474470c 100644
--- a/code/game/objects/structures/crates_lockers/closets/secure/engineering.dm
+++ b/code/game/objects/structures/crates_lockers/closets/secure/engineering.dm
@@ -89,4 +89,5 @@
 	new /obj/item/tapeproj/engineering(src)
 	new /obj/item/weapon/watertank/atmos(src)
 	new /obj/item/clothing/suit/fire/atmos(src)
+	new /obj/item/clothing/head/hardhat/atmos(src)
 	new /obj/item/clothing/glasses/meson/engine/tray(src)
\ No newline at end of file
diff --git a/code/modules/clothing/head/hardhat.dm b/code/modules/clothing/head/hardhat.dm
index 16d33da43c8..ef82c5ce6be 100644
--- a/code/modules/clothing/head/hardhat.dm
+++ b/code/modules/clothing/head/hardhat.dm
@@ -73,7 +73,7 @@
 	item_color = "atmos"
 	name = "atmospheric technician's firefighting helmet"
 	desc = "A firefighter's helmet, able to keep the user cool in any situation."
-	flags = STOPSPRESSUREDMAGE
+	flags = BLOCKHAIR | STOPSPRESSUREDMAGE | THICKMATERIAL
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE
 	heat_protection = HEAD
 	max_heat_protection_temperature = FIRE_IMMUNITY_HELM_MAX_TEMP_PROTECT
diff --git a/code/modules/clothing/head/helmet.dm b/code/modules/clothing/head/helmet.dm
index 5f6e75ad7d9..99940b9a6ad 100644
--- a/code/modules/clothing/head/helmet.dm
+++ b/code/modules/clothing/head/helmet.dm
@@ -231,7 +231,9 @@
 	if(!F)
 		return
 
-	var/mob/living/carbon/human/user = usr
+	var/mob/user = usr
+	if(user.incapacitated())
+		return
 	if(!isturf(user.loc))
 		user << "<span class='warning'>You cannot turn the light on while in this [user.loc]!</span>"
 	F.on = !F.on
diff --git a/code/modules/clothing/spacesuits/miscellaneous.dm b/code/modules/clothing/spacesuits/miscellaneous.dm
index 5380c3a54c7..0fe9492913c 100644
--- a/code/modules/clothing/spacesuits/miscellaneous.dm
+++ b/code/modules/clothing/spacesuits/miscellaneous.dm
@@ -226,7 +226,6 @@ Contains:
 	item_state = "space"
 	desc = "A lightweight space helmet with the basic ability to protect the wearer from the vacuum of space during emergencies."
 	flash_protect = 0
-	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES
 	armor = list(melee = 0, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 100, rad = 20)
 
 /obj/item/clothing/head/helmet/space/freedom
diff --git a/code/modules/mob/living/carbon/human/inventory.dm b/code/modules/mob/living/carbon/human/inventory.dm
index 5968b88647e..ce5bf0c35ab 100644
--- a/code/modules/mob/living/carbon/human/inventory.dm
+++ b/code/modules/mob/living/carbon/human/inventory.dm
@@ -85,12 +85,56 @@
 	return null
 
 
+//This is an UNSAFE proc. Use mob_can_equip() before calling this one! Or rather use equip_to_slot_if_possible() or advanced_equip_to_slot_if_possible()
+/mob/living/carbon/human/equip_to_slot(obj/item/I, slot)
+	if(!..()) //a check failed or the item has already found its slot
+		return
+	switch(slot)
+		if(slot_belt)
+			belt = I
+			update_inv_belt()
+		if(slot_wear_id)
+			wear_id = I
+			sec_hud_set_ID()
+			update_inv_wear_id()
+		if(slot_ears)
+			ears = I
+			update_inv_ears()
+		if(slot_glasses)
+			glasses = I
+			update_inv_glasses()
+		if(slot_gloves)
+			gloves = I
+			update_inv_gloves()
+		if(slot_shoes)
+			shoes = I
+			update_inv_shoes()
+		if(slot_wear_suit)
+			wear_suit = I
+			if(I.flags_inv & HIDEJUMPSUIT)
+				update_inv_w_uniform()
+			update_inv_wear_suit()
+		if(slot_w_uniform)
+			w_uniform = I
+			update_suit_sensors()
+			update_inv_w_uniform()
+		if(slot_l_store)
+			l_store = I
+			update_inv_pockets()
+		if(slot_r_store)
+			r_store = I
+			update_inv_pockets()
+		if(slot_s_store)
+			s_store = I
+			update_inv_s_store()
+		else
+			src << "<span class='danger'>You are trying to equip this item to an unsupported inventory slot. Report this to a coder!</span>"
+
 /mob/living/carbon/human/unEquip(obj/item/I)
 	. = ..() //See mob.dm for an explanation on this and some rage about people copypasting instead of calling ..() like they should.
 	if(!. || !I)
 		return
 
-
 	if(I == wear_suit)
 		if(s_store)
 			unEquip(s_store, 1) //It makes no sense for your suit storage to stay on you if you drop your suit.
@@ -125,16 +169,6 @@
 	else if(I == belt)
 		belt = null
 		update_inv_belt()
-	else if(I == wear_mask)
-		wear_mask = null
-		if(I.flags & BLOCKHAIR)
-			update_hair()	//rebuild hair
-		if(internal)
-			if(internals)
-				internals.icon_state = "internal0"
-			internal = null
-		sec_hud_set_ID()
-		update_inv_wear_mask()
 	else if(I == wear_id)
 		wear_id = null
 		sec_hud_set_ID()
@@ -149,95 +183,27 @@
 		s_store = null
 		update_inv_s_store()
 
-//This is an UNSAFE proc. Use mob_can_equip() before calling this one! Or rather use equip_to_slot_if_possible() or advanced_equip_to_slot_if_possible()
-//set redraw_mob to 0 if you don't wish the hud to be updated - if you're doing it manually in your own proc.
-/mob/living/carbon/human/equip_to_slot(obj/item/I, slot, redraw_mob = 1)
-	if(!slot)	return
-	if(!istype(I))	return
+/mob/living/carbon/human/wear_mask_update(obj/item/I, unequip = 1)
+	if(I.flags & BLOCKHAIR)
+		update_hair()
+	if(unequip && internal)
+		if(internals)
+			internals.icon_state = "internal0"
+		internal = null
+	sec_hud_set_ID()
+	..()
+
+/mob/living/carbon/human/head_update(obj/item/I)
+	if(I.flags & BLOCKHAIR)
+		update_hair()
+	if(I.flags_inv & HIDEEYES)
+		update_inv_glasses()
+	if(I.flags_inv & HIDEEARS)
+		update_body()
+	..()
 
-	if(I == l_hand)
-		l_hand = null
-	else if(I == r_hand)
-		r_hand = null
 
-	I.screen_loc = null // will get moved if inventory is visible
-	I.loc = src
-	I.equipped(src, slot)
-	I.layer = 20
 
-	switch(slot)
-		if(slot_back)
-			back = I
-			update_inv_back(redraw_mob)
-		if(slot_wear_mask)
-			wear_mask = I
-			if(wear_mask.flags & BLOCKHAIR)
-				update_hair(redraw_mob)	//rebuild hair
-			sec_hud_set_ID()
-			update_inv_wear_mask(redraw_mob)
-		if(slot_handcuffed)
-			handcuffed = I
-			update_inv_handcuffed(redraw_mob)
-		if(slot_legcuffed)
-			legcuffed = I
-			update_inv_legcuffed(redraw_mob)
-		if(slot_l_hand)
-			l_hand = I
-			update_inv_l_hand(redraw_mob)
-		if(slot_r_hand)
-			r_hand = I
-			update_inv_r_hand(redraw_mob)
-		if(slot_belt)
-			belt = I
-			update_inv_belt(redraw_mob)
-		if(slot_wear_id)
-			wear_id = I
-			sec_hud_set_ID()
-			update_inv_wear_id(redraw_mob)
-		if(slot_ears)
-			ears = I
-			update_inv_ears(redraw_mob)
-		if(slot_glasses)
-			glasses = I
-			update_inv_glasses(redraw_mob)
-		if(slot_gloves)
-			gloves = I
-			update_inv_gloves(redraw_mob)
-		if(slot_head)
-			head = I
-			if(head.flags & BLOCKHAIR)
-				update_hair(redraw_mob)	//rebuild hair
-			if(head.flags_inv & HIDEEARS)
-				update_body(redraw_mob)
-			update_inv_head(redraw_mob)
-		if(slot_shoes)
-			shoes = I
-			update_inv_shoes(redraw_mob)
-		if(slot_wear_suit)
-			wear_suit = I
-			if(I.flags_inv & HIDEJUMPSUIT)
-				update_inv_w_uniform()
-			update_inv_wear_suit(redraw_mob)
-		if(slot_w_uniform)
-			w_uniform = I
-			update_suit_sensors()
-			update_inv_w_uniform(redraw_mob)
-		if(slot_l_store)
-			l_store = I
-			update_inv_pockets(redraw_mob)
-		if(slot_r_store)
-			r_store = I
-			update_inv_pockets(redraw_mob)
-		if(slot_s_store)
-			s_store = I
-			update_inv_s_store(redraw_mob)
-		if(slot_in_backpack)
-			if(get_active_hand() == I)
-				unEquip(I)
-			I.loc = back
-		else
-			src << "<span class='danger'>You are trying to equip this item to an unsupported inventory slot. Report this to a coder!</span>"
-			return
 
 //Cycles through all clothing slots and tests them for destruction
 /mob/living/carbon/human/proc/shred_clothing(bomb,shock)
diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index f9973ea991d..340637b62bb 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -308,7 +308,7 @@
 			bodyparts_to_add -= "waggingspines"
 
 	if("snout" in mutant_bodyparts) //Take a closer look at that snout!
-		if(H.wear_mask && (H.wear_mask.flags_inv & HIDEFACE))
+		if((H.wear_mask && (H.wear_mask.flags_inv & HIDEFACE)) || (H.head && (H.head.flags_inv & HIDEFACE)))
 			bodyparts_to_add -= "snout"
 
 	if("frills" in mutant_bodyparts)
diff --git a/code/modules/mob/living/carbon/human/update_icons.dm b/code/modules/mob/living/carbon/human/update_icons.dm
index 1b3da71d25d..b2230ae11eb 100644
--- a/code/modules/mob/living/carbon/human/update_icons.dm
+++ b/code/modules/mob/living/carbon/human/update_icons.dm
@@ -275,19 +275,20 @@ Please contact me on #coderbus IRC. ~Carnie x
 				glasses.screen_loc = ui_glasses		//...draw the item in the inventory screen
 			client.screen += glasses				//Either way, add the item to the HUD
 
-		var/layer2use
-		if(glasses.alternate_worn_layer)
-			layer2use = glasses.alternate_worn_layer
-		if(!layer2use)
-			layer2use = GLASSES_LAYER
+		if(!(head && (head.flags_inv & HIDEEYES)))
+			var/layer2use
+			if(glasses.alternate_worn_layer)
+				layer2use = glasses.alternate_worn_layer
+			if(!layer2use)
+				layer2use = GLASSES_LAYER
 
-		var/image/standing
-		if(glasses.alternate_worn_icon)
-			standing = image("icon"=glasses.alternate_worn_icon, "icon_state"="[glasses.icon_state]","layer"=-layer2use)
-		if(!standing)
-			standing = image("icon"='icons/mob/eyes.dmi', "icon_state"="[glasses.icon_state]", "layer"=-layer2use)
+			var/image/standing
+			if(glasses.alternate_worn_icon)
+				standing = image("icon"=glasses.alternate_worn_icon, "icon_state"="[glasses.icon_state]","layer"=-layer2use)
+			if(!standing)
+				standing = image("icon"='icons/mob/eyes.dmi', "icon_state"="[glasses.icon_state]", "layer"=-layer2use)
 
-		overlays_standing[GLASSES_LAYER] = standing
+			overlays_standing[GLASSES_LAYER] = standing
 
 	apply_overlay(GLASSES_LAYER)
 
diff --git a/code/modules/mob/living/carbon/inventory.dm b/code/modules/mob/living/carbon/inventory.dm
index 44ba92c73f2..d397a7af712 100644
--- a/code/modules/mob/living/carbon/inventory.dm
+++ b/code/modules/mob/living/carbon/inventory.dm
@@ -17,24 +17,67 @@
 	return null
 
 
-/mob/living/carbon/unEquip(obj/item/I) //THIS PROC DID NOT CALL ..() AND THAT COST ME AN ENTIRE DAY OF DEBUGGING.
+//This is an UNSAFE proc. Use mob_can_equip() before calling this one! Or rather use equip_to_slot_if_possible() or advanced_equip_to_slot_if_possible()
+/mob/living/carbon/equip_to_slot(obj/item/I, slot)
+	if(!slot)
+		return
+	if(!istype(I))
+		return
+
+	if(I == l_hand)
+		l_hand = null
+	else if(I == r_hand)
+		r_hand = null
+
+	I.screen_loc = null // will get moved if inventory is visible
+	I.loc = src
+	I.equipped(src, slot)
+	I.layer = 20
+
+	switch(slot)
+		if(slot_back)
+			back = I
+			update_inv_back()
+		if(slot_wear_mask)
+			wear_mask = I
+			wear_mask_update(I, unequip=0)
+		if(slot_head)
+			head = I
+			head_update(I)
+		if(slot_handcuffed)
+			handcuffed = I
+			update_inv_handcuffed()
+		if(slot_legcuffed)
+			legcuffed = I
+			update_inv_legcuffed()
+		if(slot_l_hand)
+			l_hand = I
+			update_inv_l_hand()
+		if(slot_r_hand)
+			r_hand = I
+			update_inv_r_hand()
+		if(slot_in_backpack)
+			if(I == get_active_hand())
+				unEquip(I)
+			I.loc = back
+		else
+			return 1
+
+
+/mob/living/carbon/unEquip(obj/item/I)
 	. = ..() //Sets the default return value to what the parent returns.
 	if(!. || !I) //We don't want to set anything to null if the parent returned 0.
 		return
 
 	if(I == head)
 		head = null
-		if(I.flags & BLOCKHAIR)
-			update_hair()
-		update_inv_head()
+		head_update(I)
 	else if(I == back)
 		back = null
 		update_inv_back()
 	else if(I == wear_mask)
-		if(istype(src, /mob/living/carbon/human)) //If we don't do this hair won't be properly rebuilt.
-			return
 		wear_mask = null
-		update_inv_wear_mask()
+		wear_mask_update(I, unequip=1)
 	else if(I == handcuffed)
 		handcuffed = null
 		if(buckled && buckled.buckle_requires_restraints)
@@ -44,3 +87,12 @@
 		legcuffed = null
 		update_inv_legcuffed()
 
+//handle stuff to update when a mob equips/unequips a mask.
+/mob/living/carbon/proc/wear_mask_update(obj/item/I, unequip = 1)
+	update_inv_wear_mask()
+
+//handle stuff to update when a mob equips/unequips a headgear.
+/mob/living/carbon/proc/head_update(obj/item/I)
+	if(I.flags_inv & HIDEMASK)
+		update_inv_wear_mask()
+	update_inv_head()
diff --git a/code/modules/mob/living/carbon/monkey/inventory.dm b/code/modules/mob/living/carbon/monkey/inventory.dm
index c0ae3e21920..0d7378a729c 100644
--- a/code/modules/mob/living/carbon/monkey/inventory.dm
+++ b/code/modules/mob/living/carbon/monkey/inventory.dm
@@ -29,57 +29,4 @@
 	return 0 //Unsupported slot
 
 
-//This is an UNSAFE proc. Use mob_can_equip() before calling this one! Or rather use equip_to_slot_if_possible() or advanced_equip_to_slot_if_possible()
-//set redraw_mob to 0 if you don't wish the hud to be updated - if you're doing it manually in your own proc.
-/mob/living/carbon/monkey/equip_to_slot(obj/item/I, slot, redraw_mob = 1)
-	if(!slot)	return
-	if(!istype(I))	return
-
-	if(I == l_hand)
-		l_hand = null
-	else if(I == r_hand)
-		r_hand = null
-
-	switch(slot)
-		if(slot_back)
-			back = I
-			I.equipped(src, slot)
-			update_inv_back(redraw_mob)
-		if(slot_wear_mask)
-			wear_mask = I
-			I.equipped(src, slot)
-			update_inv_wear_mask(redraw_mob)
-		if(slot_head)
-			head = I
-			I.equipped(src, slot)
-			update_inv_head(redraw_mob)
-		if(slot_handcuffed)
-			handcuffed = I
-			update_inv_handcuffed(redraw_mob)
-		if(slot_legcuffed)
-			legcuffed = I
-			I.equipped(src, slot)
-			update_inv_legcuffed(redraw_mob)
-		if(slot_l_hand)
-			l_hand = I
-			I.equipped(src, slot)
-			update_inv_l_hand(redraw_mob)
-		if(slot_r_hand)
-			r_hand = I
-			I.equipped(src, slot)
-			update_inv_r_hand(redraw_mob)
-		if(slot_in_backpack)
-			if(I == get_active_hand())
-				unEquip(I)
-			I.loc = back
-			return
-		else
-			usr << "<span class='danger'>You are trying to equip this item to an unsupported inventory slot. Report this to a coder.</span>"
-			return
-
-	I.loc = src
-	I.equipped(src, slot)
-	I.layer = 20
-
-
 
diff --git a/code/modules/mob/living/carbon/update_icons.dm b/code/modules/mob/living/carbon/update_icons.dm
index b0563bb2d38..7c6c62f0fb0 100644
--- a/code/modules/mob/living/carbon/update_icons.dm
+++ b/code/modules/mob/living/carbon/update_icons.dm
@@ -101,24 +101,26 @@
 
 /mob/living/carbon/update_inv_wear_mask()
 	remove_overlay(FACEMASK_LAYER)
+
 	if(istype(wear_mask, /obj/item/clothing/mask))
 
-		var/layer2use
-		if(wear_mask.alternate_worn_layer)
-			layer2use = wear_mask.alternate_worn_layer
-		if(!layer2use)
-			layer2use = FACEMASK_LAYER
+		if(!(head && (head.flags_inv & HIDEMASK)))
+			var/layer2use
+			if(wear_mask.alternate_worn_layer)
+				layer2use = wear_mask.alternate_worn_layer
+			if(!layer2use)
+				layer2use = FACEMASK_LAYER
 
-		var/image/standing
-		if(wear_mask.alternate_worn_icon)
-			standing = image("icon"=wear_mask.alternate_worn_icon, "icon_state"="[wear_mask.icon_state]", "layer"=-layer2use)
-		if(!standing)
-			standing = image("icon"='icons/mob/mask.dmi', "icon_state"="[wear_mask.icon_state]", "layer"=-layer2use)
+			var/image/standing
+			if(wear_mask.alternate_worn_icon)
+				standing = image("icon"=wear_mask.alternate_worn_icon, "icon_state"="[wear_mask.icon_state]", "layer"=-layer2use)
+			if(!standing)
+				standing = image("icon"='icons/mob/mask.dmi', "icon_state"="[wear_mask.icon_state]", "layer"=-layer2use)
 
-		overlays_standing[FACEMASK_LAYER]	= standing
+			overlays_standing[FACEMASK_LAYER]	= standing
 
-		if(wear_mask.blood_DNA && (wear_mask.body_parts_covered & HEAD))
-			standing.overlays += image("icon"='icons/effects/blood.dmi', "icon_state"="maskblood")
+			if(wear_mask.blood_DNA && (wear_mask.body_parts_covered & HEAD))
+				standing.overlays += image("icon"='icons/effects/blood.dmi', "icon_state"="maskblood")
 		return wear_mask
 
 /mob/living/carbon/update_inv_back()
diff --git a/icons/mob/animal.dmi b/icons/mob/animal.dmi
index f19763f9df8..93856d3e80d 100644
Binary files a/icons/mob/animal.dmi and b/icons/mob/animal.dmi differ
diff --git a/icons/mob/head.dmi b/icons/mob/head.dmi
index b7d661d1058..38620894fa4 100644
Binary files a/icons/mob/head.dmi and b/icons/mob/head.dmi differ
diff --git a/icons/mob/suit.dmi b/icons/mob/suit.dmi
index 54d92a17ba1..9dc96f78dd2 100644
Binary files a/icons/mob/suit.dmi and b/icons/mob/suit.dmi differ
diff --git a/tgstation.dme b/tgstation.dme
index 2bf744c774b..d4344bc7986 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -1183,6 +1183,7 @@
 #include "code\modules\mob\living\carbon\brain\death.dm"
 #include "code\modules\mob\living\carbon\brain\emote.dm"
 #include "code\modules\mob\living\carbon\brain\life.dm"
+#include "code\modules\mob\living\carbon\brain\login.dm"
 #include "code\modules\mob\living\carbon\brain\MMI.dm"
 #include "code\modules\mob\living\carbon\brain\posibrain.dm"
 #include "code\modules\mob\living\carbon\brain\say.dm"