Alpinestars - Visor Supertech M8 RadiumThe Supertech M8 visor features a release mechanism is conceived to avoid the inherent weaknesses in other anchoring systems. Maintaining shell integrity is vital for safety and with the possibility of multi directional forces impacting on the visor, separation at the critical point of loading reduces potentially damaging leverage and rotational accelerations that can cause injuries to the riders neck and spine. They're great at keeping the sun out of