Wendys - Buy Any Smoothie and Receive a Free Sock
Smoothies are between 97-99% fat free. Just depends on whether you go for Dairy, Non-Dairy or Yoghurt Smoothies. And the flavours all sound delish.
I haven't had a Wendy's smoothie before, so not sure how much one is. Will put $0 for now, but nooooo, they're not free.