Motorcycle jet helmet Nos NS-2 Jet with built-in sun visor and adjustment for installing headphones. The shape of the shell, the visor and the ventilation system reduce resistance during driving, and thus fatigue and strain on the neck during longer rides. The helmet visor is scratch resistant and ready to install a pinlock insert. The inner linings are removable and flexible, and the lining fabric is antimicrobial, breathable and washable.