With the ever growing interest in Premier Helmets we are often asked questions about the brand and the sizes of their helmet ranges so we have added this handy size guide for you. Premier Helmets are an Italian company first founded in 1956 and have been producing helmets ever since. More famous for their MotoX helmets they have now gone back to their roots and produced a great range of retro style helmets as well as a more modern range of full face and modular helmets. All helmets come with upto 5 years warranty when registered on the www.premier.it site.