Thermoformed Interior: The thermoformed interior contributes to a comfortable fit

even while wearing the helmet

High quality helmet bag

Full front to back airflow: 5 intakes and 7 exhausts

SENA SF4 Pacchetto Individuale Interfono Moto CASCHI JET E DEMI-JET Thermoformed Interior: The thermoformed interiorSena SF4 Bluetooth Communication System The Sena SF4 is perfect for connectivity and small group communication, thanks to its 4 way intercom with a range of up to 1. 2 kilometers. It can be connected to your smartphone to listen to music while using the intercom at the same time, thanks to the Audio Overlay feature. It's compact, simple, and very practical. With fast charging, the SF4 will have you on your journey in no time. Each unit includes a pair