F

code/modules/clothing/spacesuits/hardsuit.dm

@@ -638,7 +638,7 @@
 	armor = list("melee" = 20, "bullet" = 15, "laser" = 15, "energy" = 45, "bomb" = 100, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
 	item_color = "ancient"
 	brightness_on = 16
-	scan_reagents = TRUE
+	clothing_flags = STOPSPRESSUREDAMAGE | THICKMATERIAL | BLOCK_GAS_SMOKE_EFFECT | ALLOWINTERNALS | SCAN_REAGENTS
 	flash_protect = 5 //We will not be flash by bombs
 	tint = 1
 	var/obj/machinery/doppler_array/integrated/bomb_radar

code/modules/mob/living/carbon/carbon.dm

@@ -966,7 +966,9 @@
 	. = ..()
 	if(.) //No need to run through all of this if it's already true.
 		return
-	if(isclothing(head) && (head.clothing_flags & SCAN_REAGENTS))
-		return TRUE
+	if(isclothing(head))
+		var/obj/item/clothing/H = head
+		if(H.clothing_flags & SCAN_REAGENTS)
+			return TRUE
 	if(isclothing(wear_mask) && (wear_mask.clothing_flags & SCAN_REAGENTS))
 		return TRUE