\defaultfontfeatures[Computer Modern Graded Sans]{
  Extension=.otf,
  UprightFont=ComputerModernGradedG19Sans10Regular,
  BoldFont=ComputerModernGradedG19Sans10Bold,
  ItalicFont=ComputerModernGradedG19Sans10Slanted,
  SlantedFont=ComputerModernGradedG19Sans10Slanted,
  UprightFeatures = {
    SizeFeatures = {
      {Size={-8.5}, Font=ComputerModernGradedG19Sans8Regular},
      {Size={8.5-9.5}, Font=ComputerModernGradedG19Sans9Regular},
      {Size={9.5-11.5}, Font=ComputerModernGradedG19Sans10Regular},
      {Size={11.5-15.8}, Font=ComputerModernGradedG19Sans12Regular},
      {Size={15.8-}, Font=ComputerModernGradedG19Sans17Regular},
    }
  },
  ItalicFeatures = {
    SizeFeatures = {
      {Size={-8.5}, Font=ComputerModernGradedG19Sans8Slanted},
      {Size={8.5-9.5}, Font=ComputerModernGradedG19Sans9Slanted},
      {Size={9.5-11.5}, Font=ComputerModernGradedG19Sans10Slanted},
      {Size={11.5-15.8}, Font=ComputerModernGradedG19Sans12Slanted},
      {Size={15.8-}, Font=ComputerModernGradedG19Sans17Slanted},
    }
  },
  SlantedFeatures = {
    SizeFeatures = {
      {Size={-8.5}, Font=ComputerModernGradedG19Sans8Slanted},
      {Size={8.5-9.5}, Font=ComputerModernGradedG19Sans9Slanted},
      {Size={9.5-11.5}, Font=ComputerModernGradedG19Sans10Slanted},
      {Size={11.5-15.8}, Font=ComputerModernGradedG19Sans12Slanted},
      {Size={15.8-}, Font=ComputerModernGradedG19Sans17Slanted},
    }
  },
}