diff --git a/doc/fixes3-7-0.txt b/doc/fixes3-7-0.txt
index c4d2a2403..91f050432 100644
--- a/doc/fixes3-7-0.txt
+++ b/doc/fixes3-7-0.txt
@@ -616,6 +616,7 @@ yet another fix for display problems during restore:  if game is saved while
 	being obfuscated by hallucination, but when displaying the hero there
 	instead it would access steed pointer before that has been set up
 resistances gained from worn or wielded items also protect hero's inventory
+dwarvish cloaks somewhat protect hero's inventory from cold and fire
 non-metallic gloves protect worn rings from shock
 message "Oops!  food rations out of your grasp!" occurred due to perm_invent
 	in mid-operation overwriting all of xname's/doname's obufs; fixed by
diff --git a/src/zap.c b/src/zap.c
index dd3f6d259..22c11e64d 100644
--- a/src/zap.c
+++ b/src/zap.c
@@ -5392,7 +5392,7 @@ adtyp_to_prop(int dmgtyp)
 }
 
 /* Is hero wearing or wielding an object with resistance to attack
-   damage type? Returns the percentage protectoin that the object
+   damage type? Returns the percentage protection that the object
    gives. */
 int
 u_adtyp_resistance_obj(int dmgtyp)
@@ -5402,8 +5402,16 @@ u_adtyp_resistance_obj(int dmgtyp)
     if (!prop)
         return 0;
 
+    /* Items that give an extrinsic resistance give 99% protection to
+       your items */
     if ((u.uprops[prop].extrinsic & (W_ARMOR | W_ACCESSORY | W_WEP)) != 0)
-        return 99; /* 99% protected */
+        return 99;
+
+    /* Dwarvish cloaks give a 90% protection to items against heat and
+       cold */
+    if (uarmc && uarmc->otyp == DWARVISH_CLOAK &&
+        (dmgtyp == AD_COLD || dmgtyp == AD_FIRE))
+        return 90;
 
     return 0;
 }