I'm a bit surprised by this, considering I own other Dickies clothing, but this one is odd.  I ordered the 40w x 36l size, and when I pulled this out of the box, I almost thought, "I need to return this immediately!"  I'm actually still on the fence about returning it.  It is almost as if somewhere down in Mexico they reversed the sizes - I'm a hair shy of 6'3" and the legs on these not only come down to the floor, they cover my feet.  Also, my waist size is 38", but it is a bit difficult to button the sides on this.  Looking at it, it does indeed seem like the legs are 40"+ and the waist is 36" regardless of what the tag says.  I wish I could select both, "Somewhat small," and, "Somewhat large," for this review.

My main concern now is that when I wash these they may not fit at all if they shrink - sure, the legs might fit normally, but not the waist..  Also, I know the legs can be rolled, but seriously the amount of fabric (the legs are VERY baggy) will be enormous...  This looks nothing like the guy in the picture, the top part of the overalls are higher on my chest while the crotch is well, right in my crotch.  Again, it seems that they got the proportions wrong.

I need this for a costume, but I'll have to see what happens after I wash them once - I just can't believe Dickies allowed something like this to be sold with their name on it.