Blame Poojawa for the issue.

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

@@ -495,11 +495,11 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			if(H.hidden_underwear)
 				H.underwear = "Nude"
 			else
-				H.underwear = H.saved_underwear
+				H.saved_underwear = H.underwear
 				var/datum/sprite_accessory/underwear/bottom/B = GLOB.underwear_list[H.underwear]
 				if(B)
 					var/mutable_appearance/MA = mutable_appearance(B.icon, B.icon_state, -BODY_LAYER)
-					if(B.has_color)
+					if(UNDIE_COLORABLE(B))
 						MA.color = H.undie_color
 					standing += MA
 
@@ -507,7 +507,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			if(H.hidden_undershirt)
 				H.undershirt = "Nude"
 			else
-				H.undershirt = H.saved_undershirt
+				H.saved_undershirt = H.undershirt
 				var/datum/sprite_accessory/underwear/top/T = GLOB.undershirt_list[H.undershirt]
 				if(T)
 					var/mutable_appearance/MA
@@ -515,7 +515,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 						MA = wear_female_version(T.icon_state, T.icon, BODY_LAYER)
 					else
 						MA = mutable_appearance(T.icon, T.icon_state, -BODY_LAYER)
-					if(T.has_color)
+					if(UNDIE_COLORABLE(T))
 						MA.color = H.shirt_color
 					standing += MA
 
@@ -523,12 +523,12 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			if(H.hidden_socks)
 				H.socks = "Nude"
 			else
-				H.socks = H.saved_socks
+				H.saved_socks = H.socks
 				var/datum/sprite_accessory/underwear/socks/S = GLOB.socks_list[H.socks]
 				if(S)
 					var/digilegs = (DIGITIGRADE in species_traits) ? "_d" : ""
-					var/mutable_appearance/MA = mutable_appearance(S.icon, "[S][digilegs]", -BODY_LAYER)
-					if(S.has_color)
+					var/mutable_appearance/MA = mutable_appearance(S.icon, "[S.icon_state][digilegs]", -BODY_LAYER)
+					if(UNDIE_COLORABLE(S))
 						MA.color = H.socks_color
 					standing += MA