Sena 60S EVO Mesh Communication System with Sound by Bose S3-Colour-BLACK RAW If you regularly travel off

If you regularly travel off the beaten track and need a rugged

so it does not degrade in sunlight

and other common fluid types

meant to make easy oil change

Sena 60S EVO Mesh Communication System with Sound by Bose S3-Colour-BLACK RAW If you regularly travel offThe 60S EVO is paving the way for a new evolution of communication as the first powersports headset designed with Sound by Bose. Ride connected with the 60S EVO and experience communication at the highest quality with Sound by Bose. What's the Bose WaveForm Audio Engine? This audio engine powers richer, more consistent helmet audio in the following ways: Fuller Sound at All Volumes: Dynamic EQ helps low to moderate listening stay richer and more