Sena Impulse Modular Smart Helmet Motorcycle Club Vests while providing features that benefit

while providing features that benefit every rider

Add 1 inch if the measurement is an odd number

Removable perforated back PE armor

Size Chart Size Chest Waist Sleeve XS 32" 29"-30" 23" Small 34" 31"-32" 23 1/4" Medium 36" 33"-34" 23 1/2" Large 38" 35"-36" 23 3/4" X-Large 40" 37"-38" 24" 2X-Large 42" 39"-40" 24 1/4" 3X-Large 44" 41"-42" 24 1/2" 4X-Large 44" - 46" 42"-43" 24 1/2"

Sena Impulse Modular Smart Helmet Motorcycle Club Vests while providing features that benefitThe 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