Why are off-road Helmets different?

FOLLOW ME:
Instagram: mikeonbikesofficial

Why are off road Helmets different from street helmets? What's the deal with the visor?

• #autos_vehicles
• #why_are_off_road_helmets_different
• #why_are_off_road_helmet_shaped_differently
• #why_are_off_road_helmets_different
• #motorcycle_helmet
• #motorcycle_helmets
• #why_are_dirt_bike_helmets_different
• #why_are_dirt_bike_helmets_shaped_differently