The same as regular french fries except the potato skin is left on them, so that they appear to be higher quality than they actually are or more healthy than they really are. Many fast food companies are switching to natural cut fries in an attempt to raise sells such as Wendy's and Hardee's.
Guy: I'm going to Wendy's to get some natural cut fries. They are using sea salt now too.
Girl: Boy, a sucker is born every day.