Sena Impulse Modular Smart Helmet Snell Helmets The leg length for the

The leg length for the S to 2XL is 45 inches

1680D ballistic poly

The AGV Extreme Safety design protocol means that Streetmodular meets all the specifications of the strict ECE22

Tri-density foam molds to your face

Sena Impulse Modular Smart Helmet Snell Helmets The leg length for theThe all new Impulse is a modular smart helmet featuring Sena's industry leading Mesh Intercom and Bluetooth Intercom technology, plus premium speakers and microphone by the audio experts at Harman Kardon. With the help of Harman Kardon, the Impulse's expertly tuned speakers bring a new level of precision and clarity to in helmet audio, and an allnew microphone delivers unprecedented outbound audio quality. The helmet boasts an integrated rear facing