What are these football jerseys called, and is it possible to get?

Brad: What are these football jerseys called, and is it possible to get?
You know the football high school jerseys that are tight on the arms?
What are those called for NFL jerseys, are they possible to get?

Answers and Views:

Answer by BeautifulKarmaIsBack
probably a sporting goods store. They could be the practice jerseys(tight around the arm) for the nfl.

Answer by 13year old gamer

Answer by General Grant
Sure they are.