Riding naked is a popular activity of exhibitionists. The advantage is, that they can get away fast. Riding naked is mostly performed on bikes and bicycles and horses. If done on horses it is called nude horse riding and when done on an elephant Nude elephant riding.
The World Naked Bike Ride is an event where hundreds can be seen riding naked.
Example: Elise riding naked
Cool Chick is also a fast chick
Many congregate to ride nude at various WNBR events
Terry naked and having fun on a four-wheeler