diff --git a/code/citadel/custom_loadout/custom_items.dm b/code/citadel/custom_loadout/custom_items.dm
index 1935ab20bb..cd3e1f343e 100644
--- a/code/citadel/custom_loadout/custom_items.dm
+++ b/code/citadel/custom_loadout/custom_items.dm
@@ -163,6 +163,21 @@
 	item_state = "russianflask"
 	volume = 60
 
+/obj/item/clothing/mask/gas
+	name = "S.T.A.L.K.E.R. mask"
+	desc = "Smells like reactor four."
+	icon = 'icons/obj/custom.dmi'
+	item_state = "stalker"
+	icon_state = "stalker"
+	flags_1 = BLOCK_GAS_SMOKE_EFFECT_1 | MASKINTERNALS_1
+	flags_inv = HIDEEARS|HIDEEYES|HIDEFACE|HIDEFACIALHAIR
+	w_class = WEIGHT_CLASS_NORMAL
+	item_state = "gas_alt"
+	gas_transfer_coefficient = 0.01
+	permeability_coefficient = 0.01
+	flags_cover = MASKCOVERSEYES | MASKCOVERSMOUTH
+	resistance_flags = 0
+
 
 
 
diff --git a/icons/obj/custom.dmi b/icons/obj/custom.dmi
index 9f87008aa5..ff792563f6 100644
Binary files a/icons/obj/custom.dmi and b/icons/obj/custom.dmi differ