When searching for a new helmet, determining the proper fit is crucial and could save your life down the line. Guessing your size could result in discomfort and negatively impact the safety features of your hat. If your helmet is too small, it could pinch your face and cause headaches. Too large, and your helmet may tip back or fall off during an accident. The team of professionals at Arbill have put together a guide on how to properly determine your helmet size.