First of all, you have to be careful that the helmet has plenty of breathable holes. This will will help you with sweat problems and will not prevent you wearing helmets in the summer.
Your helmet should definitely be protected. The ones that are open usually do not work.
You must have an under jaw connection to help your helmet not slip off your head on the road. It is not the most reliable way that the only strap holding the helmet in place, is the neck connection. (more…)