4″ wide. Traps sweat, stops flyaways, light as a feather, and don’t even worry about it slipping — is there anything this headband can’t do? Finally, a functional headband that was made in freedom with sustainable materials. This headband is 4″ wide in the center and tapered in the back. Each one is made with recycled brushed fabric for a no-slip grip, and fabric is a polyester/spandex blend for a comfy fit.