Alpinestars BNS Tech 2 Neck Support COLOR:Black/Cool Gray they also come in a

they also come in a standard version that is non-waterproof  and more breathable in  hot weather riding

Into the great wide open

High-powered technology

and extra height over other ADV boots

Alpinestars BNS Tech 2 Neck Support COLOR:Black/Cool Gray they also come in aThe Bionic Neck Support Tech 2 is designed to help prevent injury in a crash situation by dissipating and diverting impact forces away from the neck and spine. The BNS functions when the riders helmet makes contact with the frame at the moment of a crash, thus providing a surface to instantly channel impact energy away from the neck and on to the BNS. Featuring Alpinestars exclusive and revolutionary rear stabilizer for progressive force relief (PFR)