Are you looking for athletic men's long underwear that is supportive and comfortable. Then take a look at the Xtremen Xtreme Boxer.
The Xtremen Basic Boxer is a long leg boxer brief that is similar to a cycling short. Its mid to low-rise on the waist with the legs finishing just above the knee. It has a comfortable and supportive pouch with a slight contour. It is seamed on the front, rear and legs to give a good fit.
It made from a mix of 81% Nylon / 10% Polyester / 10% Spandex to give a high stretch smooth fit.
This is a great piece of men's underwear for the gym or other athletic activities that give a good supportive fit.