Old Navy currently has their Performance Fleece Scarfs marked down to $5 from $7.50. You can also use the code ONSTYLE25 during checkout to bring your total down to $3.75 plus shipping. Lastly, you will want to go through Ebates for 8% cashback on your purchase! If you are new to Ebates you will also get a $5 credit on your account!
(Thanks My Dallas Mommy!)