These ear warmers are made of a light weight fleecie material with a single bent wire running through it to keep its shape. I have a meadium size head and these warners bearly fit around the back of my head. They don't feel very secure; They feel like they are comming loose every time I move my head around. I wouldn't recommend them for serious outdoor activities. They may work better for someone with a little smaller head or if you are not going to be very active, like driving or just walking. I won't say they are totaly cheep as they are warm and comfortable wile they are on. For me, they kind of remind me of a pair of glasses that would keep sliding down my nose as these warmers keep working their way off my head.