You shouldn't have this.
The item id for Kuwait Outfit Weston in unturned is 5348. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Clothing
Size_X: 3
Size_Y: 2
Size_Z: 0.6
Width: 1
Height: 1
Armor: 1