diff --git a/code/game/machinery/suit_storage_unit.dm b/code/game/machinery/suit_storage_unit.dm
index fc880c0181a..a360b95c195 100644
--- a/code/game/machinery/suit_storage_unit.dm
+++ b/code/game/machinery/suit_storage_unit.dm
@@ -61,7 +61,7 @@
 
 /obj/machinery/suit_storage_unit/mining
 	suit_type = /obj/item/clothing/suit/hooded/explorer
-	mask_type = /obj/item/clothing/mask/gas
+	mask_type = /obj/item/clothing/mask/gas/explorer
 
 /obj/machinery/suit_storage_unit/mining/eva
 	suit_type = /obj/item/clothing/suit/space/hardsuit/mining
diff --git a/code/modules/clothing/clothing.dm b/code/modules/clothing/clothing.dm
index 3054e6a18e1..8f6e62eae7f 100644
--- a/code/modules/clothing/clothing.dm
+++ b/code/modules/clothing/clothing.dm
@@ -6,6 +6,7 @@
 	var/up = 0					//	   but seperated to allow items to protect but not impair vision, like space helmets
 	var/visor_flags = 0			// flags that are added/removed when an item is adjusted up/down
 	var/visor_flags_inv = 0		// same as visor_flags, but for flags_inv
+	var/visor_flags_cover = 0	// same as above, but for flags_cover
 	lefthand_file = 'icons/mob/inhands/clothing_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/clothing_righthand.dmi'
 	var/alt_desc = null
@@ -164,7 +165,7 @@ BLIND     // can't see anything
 
 //Proc that moves gas/breath masks out of the way, disabling them and allowing pill/food consumption
 /obj/item/clothing/mask/proc/adjustmask(mob/living/user)
-	if(user.incapacitated())
+	if(user && user.incapacitated())
 		return
 	mask_adjusted = !mask_adjusted
 	if(!mask_adjusted)
@@ -173,7 +174,7 @@ BLIND     // can't see anything
 		permeability_coefficient = initial(permeability_coefficient)
 		flags |= visor_flags
 		flags_inv |= visor_flags_inv
-		flags_cover = initial(flags_cover)
+		flags_cover |= visor_flags_cover
 		user << "<span class='notice'>You push \the [src] back into place.</span>"
 		slot_flags = initial(slot_flags)
 	else
@@ -183,11 +184,12 @@ BLIND     // can't see anything
 		permeability_coefficient = null
 		flags &= ~visor_flags
 		flags_inv &= ~visor_flags_inv
-		flags_cover = 0
+		flags_cover &= ~visor_flags_cover
 		if(adjusted_flags)
 			slot_flags = adjusted_flags
-	user.wear_mask_update(src, toggle_off = mask_adjusted)
-	user.update_action_buttons_icon() //when mask is adjusted out, we update all buttons icon so the user's potential internal tank correctly shows as off.
+	if(user)
+		user.wear_mask_update(src, toggle_off = mask_adjusted)
+		user.update_action_buttons_icon() //when mask is adjusted out, we update all buttons icon so the user's potential internal tank correctly shows as off.
 
 
 
diff --git a/code/modules/clothing/head/helmet.dm b/code/modules/clothing/head/helmet.dm
index 21301636ada..6205d0bf9d0 100644
--- a/code/modules/clothing/head/helmet.dm
+++ b/code/modules/clothing/head/helmet.dm
@@ -60,7 +60,7 @@
 			up = !up
 			flags ^= visor_flags
 			flags_inv ^= visor_flags_inv
-			flags_cover ^= initial(flags_cover)
+			flags_cover ^= visor_flags_cover
 			icon_state = "[initial(icon_state)][up ? "up" : ""]"
 			user << "[up ? alt_toggle_message : toggle_message] \the [src]"
 
diff --git a/code/modules/clothing/head/misc_special.dm b/code/modules/clothing/head/misc_special.dm
index dd1875aaead..93b1f039b7e 100644
--- a/code/modules/clothing/head/misc_special.dm
+++ b/code/modules/clothing/head/misc_special.dm
@@ -25,6 +25,7 @@
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE
 	actions_types = list(/datum/action/item_action/toggle)
 	visor_flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE
+	visor_flags_cover = HEADCOVERSEYES | HEADCOVERSMOUTH
 	burn_state = FIRE_PROOF
 
 /obj/item/clothing/head/welding/attack_self()
diff --git a/code/modules/clothing/masks/breath.dm b/code/modules/clothing/masks/breath.dm
index 8b82ff05ae2..ca7f65f42c5 100644
--- a/code/modules/clothing/masks/breath.dm
+++ b/code/modules/clothing/masks/breath.dm
@@ -11,6 +11,7 @@
 	permeability_coefficient = 0.50
 	actions_types = list(/datum/action/item_action/adjust)
 	flags_cover = MASKCOVERSMOUTH
+	visor_flags_cover = MASKCOVERSMOUTH
 	burn_state = FIRE_PROOF
 
 /obj/item/clothing/mask/breath/attack_self(mob/user)
diff --git a/code/modules/clothing/masks/gasmask.dm b/code/modules/clothing/masks/gasmask.dm
index 0c9538bf7a5..13111438142 100644
--- a/code/modules/clothing/masks/gasmask.dm
+++ b/code/modules/clothing/masks/gasmask.dm
@@ -26,6 +26,7 @@
 	flags_inv = HIDEEARS|HIDEEYES|HIDEFACE
 	flags_cover = MASKCOVERSEYES
 	visor_flags_inv = HIDEEYES
+	visor_flags_cover = MASKCOVERSEYES
 
 /obj/item/clothing/mask/gas/welding/attack_self()
 	toggle()
diff --git a/code/modules/clothing/masks/miscellaneous.dm b/code/modules/clothing/masks/miscellaneous.dm
index 669c5467606..03e8fd31c83 100644
--- a/code/modules/clothing/masks/miscellaneous.dm
+++ b/code/modules/clothing/masks/miscellaneous.dm
@@ -22,9 +22,10 @@
 	icon_state = "sterile"
 	item_state = "sterile"
 	w_class = 1
-	flags_cover = MASKCOVERSMOUTH
 	flags_inv = HIDEFACE
+	flags_cover = MASKCOVERSMOUTH
 	visor_flags_inv = HIDEFACE
+	visor_flags_cover = MASKCOVERSMOUTH
 	gas_transfer_coefficient = 0.90
 	permeability_coefficient = 0.01
 	armor = list(melee = 0, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 25, rad = 0)
@@ -108,6 +109,7 @@
 	flags_cover = MASKCOVERSMOUTH
 	flags_inv = HIDEFACE|HIDEFACIALHAIR
 	visor_flags_inv = HIDEFACE|HIDEFACIALHAIR
+	visor_flags_cover = MASKCOVERSMOUTH
 	slot_flags = SLOT_MASK
 	adjusted_flags = SLOT_HEAD
 	icon_state = "bandbotany"
diff --git a/code/modules/jobs/job_types/job.dm b/code/modules/jobs/job_types/job.dm
index 0bc5c56ac1f..03158ae4ad9 100644
--- a/code/modules/jobs/job_types/job.dm
+++ b/code/modules/jobs/job_types/job.dm
@@ -164,7 +164,9 @@
 		else
 			back = backpack //Department backpack
 
-	backpack_contents[box] = 1
+	if(box)
+		backpack_contents.Insert(1, box) // Box always takes a first slot in backpack
+		backpack_contents[box] = 1
 
 /datum/outfit/job/post_equip(mob/living/carbon/human/H, visualsOnly = FALSE)
 	if(visualsOnly)
diff --git a/code/modules/mining/equipment.dm b/code/modules/mining/equipment.dm
index d9a7db23b8b..e3c8ced705e 100644
--- a/code/modules/mining/equipment.dm
+++ b/code/modules/mining/equipment.dm
@@ -26,6 +26,26 @@
 	max_heat_protection_temperature = FIRE_HELM_MAX_TEMP_PROTECT
 	armor = list(melee = 30, bullet = 20, laser = 20, energy = 20, bomb = 50, bio = 100, rad = 50)
 
+/obj/item/clothing/mask/gas/explorer
+	name = "explorer gas mask"
+	desc = "A military-grade gas mask that can be connected to an air supply."
+	icon_state = "gas_mining"
+	visor_flags = BLOCK_GAS_SMOKE_EFFECT | MASKINTERNALS
+	visor_flags_inv = HIDEFACIALHAIR
+	visor_flags_cover = MASKCOVERSMOUTH
+	actions_types = list(/datum/action/item_action/adjust)
+	armor = list(melee = 10, bullet = 5, laser = 5, energy = 5, bomb = 0, bio = 50, rad = 0)
+
+/obj/item/clothing/mask/gas/explorer/attack_self(mob/user)
+	adjustmask(user)
+
+/obj/item/clothing/mask/gas/explorer/adjustmask(user)
+	..()
+	w_class = mask_adjusted ? 3 : 2
+
+/obj/item/clothing/mask/gas/explorer/folded/New()
+	..()
+	adjustmask()
 
 
 /**********************Mining Equipment Vendor Items**************************/
diff --git a/icons/mob/mask.dmi b/icons/mob/mask.dmi
index f219a494ea3..e82945a3a94 100644
Binary files a/icons/mob/mask.dmi and b/icons/mob/mask.dmi differ
diff --git a/icons/obj/clothing/masks.dmi b/icons/obj/clothing/masks.dmi
index 5aef58a5d3c..407e0d40540 100644
Binary files a/icons/obj/clothing/masks.dmi and b/icons/obj/clothing/masks.dmi differ