Hvding is a highly innovative bike helmet an airbag for cyclists it is not only one of the safest helmets available on the market hvding also comes with a fabric shell which gives it a fashionable look to match your outfitunlike conventional bide helmets the hvding isnt worn on the head it comes in the from of a collar worn around your neck the collar houses an airbag that inflates in the case of an accident protecting the cyclists head the airbag is triggered by sensors that regi