I have an impossible time finding the right size pants. I'm 6' 1" and only 145#'s, so I'm tall and skinny. I wear 31 waist, and 34 length, which is not carried by ANYone. I mostly have to custom order from Lands End or someplace like that. Every now and then I'll find a random 31/34 pair in Wally Mart, of all places, but they're cheap crap that don't last as long.
I used to wear size L shirts, but finally had to admit I'm an M. Losing 20#'s over the years due to a chronic illness forced me to. I've been slowly replacing all my clothes.
It seems everyone has at least one clothing related issue.