Not sure if thgis helps but in outfit changer if you load just the vest aaand save you get this
[Outfit1]
Name=Thomson Close
IsMp=False
IsFemale=False
Components=0xE38B7A07:0x44E21C90
[Outfit2]
Name=Thomson Close
IsMp=False
IsFemale=False
Components=0xE38B7A07:0x49110417