Best Underwear For Running When Running And Playing Sports What Is The Best Type Of Underwear To Wear?

When running and playing sports what is the best type of underwear to wear? - best underwear for running

I run a lot and play tennis and lacrosse, and I wonder whether to wear good clothes, while you are in these sports and racing? and in the 15 so I do not know if it better underwear for 15 years?