Homemade running headband

[boston340]

I'm going to attempt to make some homemade running headbands this week.  I have two headbands that are very similar that I bought from Etsy so I know the style and design works for me, I'll just have to figure out the perfect length for the headband.  

designedbydawnnicole.com/2013/10/diy-womens-no-slip-headbands-great-for-running-and-working-out.html

This is not my image, this is from the website: