Stilo ST5 Replacement Shield. 14 different colors and versions allow you to customize the look of your Stilo ST5 model helmet. All Stilo ST5 replacement shields are anti-scratch/anti-fog and require special care do to the nature of the anti-scratch and anti-fog treatment used. Do not use glass cleaners that contain ammonia. Those cleaning agents will damage the anti scratch and anti-fog coatings. Only use Stilo Shield Cleaner part number STYA0640, and a micro fiber towel when cleaning your Stilo shield.