Innovative ear covers with no frame over your head! Frameless Thermal Ear Cover Since there is no frame in the way, your hairstyle will not be in the way, and you can wear it with a helmet or hat. You can move it without taking it off even during intense activities such as commuting to work or school, walking, sports, etc. Lightweight and compact, so it can be stored in your pocket or bag. Convenient for going out, traveling, business trips, etc.