Can't say that I have noticed that. It is possible, remotely I might add, that you got a pair that has been made on the small side. Is it all of your FJ shorts or just one pair?
i only have one pair so far, but the pair i ordered yesterday already shipped. so i'll try them. i measured (with a tape measure) all of my shorts and my FJ pair was an inch shorter than my smallest pair and 1 1/2 inch smaller than most of my shorts.