From http://www.examiner.com/ :
"What is a snood do you ask? The snood is a form of neck wear that can be worn like a scarf or pulled over the hair and lower face."
In my neck of the woods, we call it a circle scarf or infinity scarf - but isn't it fun to call it a snood!? Here is my tunic with a snood:
snood - Loft
tunic - Target
jeans - Gap
boots - Ecco
If you want to purchase your own snood, these are some great options: