Buff headwear can be worn more than 12 different ways:
A scarf
A bandanna.
A headband.
A hat.
A facemask.
A wristband, etc.
At its core is a moisture-managing microfibre fabric that is wind resistant, odour-controlled, and designed to achieve a high level of comfort and protection from the elements.
The word buff derives from the Spanish word 'bufanda', meaning 'scarf'.