PlayerAPI.isSkinLayerVisible

Example by JimmyHelp:
if player:isSkinLayerVisible("HAT") then
  log("Your hat's on")
end 

Returns whether the specified skin layer, from the Skin Customizations settings, is currently visible

overload 1:
                        
player:isSkinLayerVisible(part)  
 Method Property Fluent Description Representation
part accepts a String String 
   
Return Value a Boolean Boolean