Some sizes/colors as low as $36.17. Lowest I have seen them in a while on Amazon.
http://www.amazon.com/gp/product/B001VHNSH8/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B001VHNSH8&linkCode=as2&tag=dietry-20&linkId=7XEPQMSIRF6Z57EV
http://www.amazon.com/gp/product/B001VHNSH8/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B001VHNSH8&linkCode=as2&tag=dietry-20&linkId=7XEPQMSIRF6Z57EV