OK, I had a turtleing experience on the C & O on Monday. I set off riding on the cold towpath and noticed I wasn't well 'down there' after a couple of miles. When I dismounted and blood began to return to the region I discovered my tights weren't in fact tight. These were a pair I bought last year from Nashbar on sale, and in order to get the right waist size I had to buy a "tall" fit. Well, I must not have noticed the shoulder straps had become too long when I wore them last winter, but they now were, and the butt and chamois sagged instead of fitting close to me. A couple of minutes pulling up the straps and tying a knot in them made everything tight again, and I rode with little problem the rest of the day.
This incident makes me wonder just how often complaints about shorts bothering the rider are due to the shorts being too large or too loose?