diff --git a/code/modules/mob/new_player/sprite_accessories/sprite_accessories.dm b/code/modules/mob/new_player/sprite_accessories/sprite_accessories.dm
index eb5570bcf84..4ba8c960209 100644
--- a/code/modules/mob/new_player/sprite_accessories/sprite_accessories.dm
+++ b/code/modules/mob/new_player/sprite_accessories/sprite_accessories.dm
@@ -462,6 +462,10 @@
 	name = "Rainbow Shirt"
 	icon_state = "shirt_rainbow"
 
+/datum/sprite_accessory/undershirt/shirt_wave
+	name = "Great Wave Shirt"
+	icon_state = "shirt_wave"
+
 //end graphic shirts
 
 //short sleeved
diff --git a/icons/mob/clothing/species/grey/underwear.dmi b/icons/mob/clothing/species/grey/underwear.dmi
index 372137a3c69..ecc988ec8f8 100644
Binary files a/icons/mob/clothing/species/grey/underwear.dmi and b/icons/mob/clothing/species/grey/underwear.dmi differ
diff --git a/icons/mob/clothing/species/kidan/underwear.dmi b/icons/mob/clothing/species/kidan/underwear.dmi
index 89b9c68c374..5e63fa646c0 100644
Binary files a/icons/mob/clothing/species/kidan/underwear.dmi and b/icons/mob/clothing/species/kidan/underwear.dmi differ
diff --git a/icons/mob/clothing/species/vox/underwear.dmi b/icons/mob/clothing/species/vox/underwear.dmi
index 72da557c997..7691af9db0f 100644
Binary files a/icons/mob/clothing/species/vox/underwear.dmi and b/icons/mob/clothing/species/vox/underwear.dmi differ
diff --git a/icons/mob/clothing/underwear.dmi b/icons/mob/clothing/underwear.dmi
index e16e5bb4d5f..d6d1ba380d2 100644
Binary files a/icons/mob/clothing/underwear.dmi and b/icons/mob/clothing/underwear.dmi differ