diff --git a/data/json/items/armor/boots.json b/data/json/items/armor/boots.json
index e1025e0980d30..7c960910aada5 100644
--- a/data/json/items/armor/boots.json
+++ b/data/json/items/armor/boots.json
@@ -3395,6 +3395,7 @@
     "price": "20 USD",
     "price_postapoc": "10 USD",
     "symbol": "[",
+    "material": "cotton",
     "volume": "600 ml",
     "weight": "500 g",
     "flags": [ "VARSIZE" ],
diff --git a/data/json/items/armor/legs_clothes.json b/data/json/items/armor/legs_clothes.json
index 80f2cf51980be..76b448cd13c6a 100644
--- a/data/json/items/armor/legs_clothes.json
+++ b/data/json/items/armor/legs_clothes.json
@@ -531,7 +531,7 @@
     "id": "kilt",
     "type": "ARMOR",
     "name": { "str": "kilt" },
-    "description": "No true Scotsman would leave home without his kilt.",
+    "description": "No true Scotsman would leave home without his kilt.  Kilts lack pockets and thus a belt and sporran are necessary accessories.",
     "weight": "500 g",
     "volume": "1500 ml",
     "price": "65 USD",
@@ -540,6 +540,27 @@
     "symbol": "[",
     "looks_like": "skirt",
     "color": "dark_gray",
+    "warmth": 20,
+    "material_thickness": 0.3,
+    "flags": [ "VARSIZE" ],
+    "armor": [
+      { "coverage": 100, "covers": [ "leg_l", "leg_r" ], "specifically_covers": [ "leg_hip_l", "leg_hip_r" ] },
+      { "coverage": 95, "covers": [ "leg_l", "leg_r" ], "specifically_covers": [ "leg_upper_l", "leg_upper_r" ] }
+    ]
+  },
+  {
+    "id": "kilt_utility",
+    "type": "ARMOR",
+    "name": { "str": "utility kilt" },
+    "description": "Common in America, the utility kilt takes the traditional woolen kilt and constructs it out of cotton canvas and then adds a pocket that would never be on a traditional kilt.",
+    "weight": "500 g",
+    "volume": "1500 ml",
+    "price": "35 USD",
+    "price_postapoc": "50 cent",
+    "material": [ "cotton" ],
+    "symbol": "[",
+    "looks_like": "kilt",
+    "color": "brown_yellow",
     "pocket_data": [
       {
         "pocket_type": "CONTAINER",
diff --git a/data/json/professions.json b/data/json/professions.json
index 8daee39b3b366..46aaae8fd9585 100644
--- a/data/json/professions.json
+++ b/data/json/professions.json
@@ -450,21 +450,67 @@
   },
   {
     "type": "profession_item_substitutions",
-    "trait": "WOOLALLERGY",
+    "item": "blazer",
     "sub": [
-      { "item": "blazer", "new": [ "jacket_leather_red" ] },
-      { "item": "hat_hunting", "new": [ "hat_cotton" ] },
-      { "item": "hat_newsboy", "new": [ "hat_cotton" ] },
-      { "item": "peacoat", "new": [ "jacket_flannel" ] },
-      { "item": "sweater", "new": [ "sweatshirt" ] },
-      { "item": "boots_winter", "new": [ "boots_fur" ] },
-      { "item": "cloak_wool", "new": [ "cloak_leather" ] },
-      { "item": "gloves_wool", "new": [ "gloves_leather" ] },
-      { "item": "socks_wool", "new": [ "socks" ] },
-      { "item": "kilt", "new": [ "kilt_leather" ] },
-      { "item": "mask_ski", "new": [ "balclava" ] }
+      { "present": [ "WOOLALLERGY" ], "new": [ "jacket_leather_red" ] },
+      { "present": [ "VEGAN" ], "new": [ "jacket_light" ] }
     ]
   },
+  {
+    "type": "profession_item_substitutions",
+    "item": "hat_hunting",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "hat_cotton" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "hat_newsboy",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "hat_cotton" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "peacoat",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "jacket_flannel" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "sweater",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "sweatshirt" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "boots_winter",
+    "sub": [ { "present": [ "WOOLALLERGY" ], "new": [ "boots_fur" ] }, { "present": [ "VEGAN" ], "new": [ "boots_faux_fur" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "cloak_wool",
+    "sub": [ { "present": [ "WOOLALLERGY" ], "new": [ "cloak_leather" ] }, { "present": [ "VEGAN" ], "new": [ "cloak" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "gloves_wool",
+    "sub": [ { "present": [ "WOOLALLERGY" ], "new": [ "gloves_leather" ] }, { "present": [ "VEGAN" ], "new": [ "gloves_light" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "socks_wool",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "socks" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "mask_ski",
+    "sub": [ { "present": [ "WOOLALLERGY", "VEGAN" ], "new": [ "balclava" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "item": "kilt",
+    "sub": [ { "present": [ "WOOLALLERGY" ], "new": [ "kilt_leather" ] }, { "present": [ "VEGAN" ], "new": [ "kilt_utility" ] } ]
+  },
+  {
+    "type": "profession_item_substitutions",
+    "trait": "VEGAN",
+    "sub": [ { "item": "dress_shoes", "new": [ "espadrilles" ] } ]
+  },
   {
     "type": "profession_item_substitutions",
     "item": "sunglasses",
@@ -529,6 +575,7 @@
       { "present": [ "ANTIWHEAT", "ANTIJUNK", "MEATARIAN" ], "new": [ "fried_spam", "fork" ] },
       { "present": [ "LACTOSE" ], "absent": [ "ANTIWHEAT", "VEGETARIAN" ], "new": [ "hamburger" ] },
       { "present": [ "LACTOSE", "VEGETARIAN" ], "absent": [ "ANTIWHEAT" ], "new": [ "sandwich_veggy" ] },
+      { "present": [ "VEGAN" ], "absent": [ "ANTIWHEAT" ], "new": [ "sandwich_veggy" ] },
       {
         "present": [ "VEGETARIAN" ],
         "absent": [ "ANTIWHEAT", "LACTOSE" ],
@@ -541,7 +588,9 @@
     "item": "pizza_meat",
     "sub": [
       { "present": [ "VEGETARIAN" ], "absent": [ "ANTIWHEAT" ], "new": [ "pizza_veggy" ] },
+      { "present": [ "VEGAN" ], "absent": [ "ANTIWHEAT" ], "new": [ "pizza_veggy" ] },
       { "present": [ "VEGETARIAN", "ANTIWHEAT" ], "new": [ "veggy_salad", "fork" ] },
+      { "present": [ "VEGAN", "ANTIWHEAT" ], "new": [ "veggy_salad", "fork" ] },
       {
         "present": [ "ANTIWHEAT" ],
         "absent": [ "VEGETARIAN", "ANTIJUNK" ],
@@ -559,6 +608,7 @@
     "item": "pizza_veggy",
     "sub": [
       { "present": [ "ANTIWHEAT", "VEGETARIAN" ], "new": [ "veggy_salad", "fork" ] },
+      { "present": [ "ANTIWHEAT", "VEGAN" ], "new": [ "veggy_salad", "fork" ] },
       {
         "present": [ "ANTIWHEAT" ],
         "absent": [ "VEGETARIAN", "ANTIJUNK" ],
diff --git a/src/profession.cpp b/src/profession.cpp
index 48fdf2fecc586..887b3b3d02537 100644
--- a/src/profession.cpp
+++ b/src/profession.cpp
@@ -785,7 +785,7 @@ void json_item_substitution::load( const JsonObject &jo )
             itype_id old_it;
             sub.read( "item", old_it, true );
             if( check_duplicate_item( old_it ) ) {
-                sub.throw_error( "Duplicate definition of item" );
+                sub.throw_error( "Item substitutions can only be defined once.  Items with multiple substition traits should use arrays." );
             }
             s.trait_reqs.present.emplace_back( jo.get_string( "trait" ) );
             for( const JsonValue info : sub.get_array( "new" ) ) {