REI Outlet offers the Buff Women's UV Half Buff in Inked Greyscale for $5.83 plus $5.99 for shipping. (Free ship-to-store is also available.) That's tied with our mention from two weeks ago and the lowest total price we could find in any color by $10. It can be worn as an ear warmer, mask, hair band, or headband.
Also available is the Buff Women's Original Buff in Bless or Ing On for $9.83 plus $5.99 for shipping. That's also tied with our mention from two weeks ago and a current price low by $3.