As the YouTube posted below shows, many who have seen Alaska Governor Sarah Palin's Runner's World photo set are saying that she is wearing pantyhose. While wearing running shorts.
I haven't seen a quote from anyone at Runner's World yet that actually verifies this, but short of that, I think people are making unwarranted assumptions.
A Saturday Night Live producer commented early in 2009 that she was struck by the quality of Palin's skin. Although I've never considered Palin attractive, especially after she begins talking, I agree that Palin's skin is quite remarkable.
Although wearing pantyhose for a Runner's World office pose might seem to be something a person fitting the image of "slutty flight attendant" might do - Palin assuredly does often fit into that category in her attire - I'm not at all sure that these people are correct.
My wife just got back from running. She had a great run. Her great legs are glistening. In certain lighting, one might erroneously think she is wearing hose.