Bought them half a year ago in San Francisco at Haight-Ashbury district (famous for the festivals oriented clothes stores).
Their waist size at largest is 38 but they will be tight. My waist used to be 36 and they fit perfect.
I was preparing for burning man but lost weight and they're too big for me. Paid $100+tax so giving you $60 off what they cost me and save a trip to SF - $50.
Sorry for the pics composition, I've tried my best to hang them against white color background so you can see the color with better contrast.