This does not affect your right to an exchange or refund for faulty equipment.
The Petzl Vizir Shadow eye shield protects the eyes against projectile hazards. It has level 2.5 solar protection filter to protect the eyes from sunIight. Installation is easy on Vertex and Strato helmets with the Easyclip attachment system. It also has scratch-resistant and anti-fog coatings. While not working, it pivots quickly from work position to storage position on top of the helmet.