Polycarbonate shell with matte finishing, interior in high-density polystyrene.
5 external screws for glasses, headlamp.
Air ventilation system: from 6 to 14 holes .
3D internal system for ventilation
Removable padding with breathable antibacterial treatment.
Nylon size adjustment system to the millimetre
Breathable internal padding to optimize ventilation.
Weight: 290 g