The Tonight Show Starring Jimmy Fallon has Christmas in mind all year round. Mario Martines, the show's costume department head designer, does anyway. Martines and his team are the ones responsible ...

Add Yahoo as a preferred source to see more of our stories on Google. With four shows left before The Tonight Show's Christmas break, Jimmy gives away a holiday sweater to a lucky audience member.

Mario Martines, the show's costume department head designer, tells PEOPLE what his process looks like in creating the garments each year "When we first started doing this, they were just ugly sweaters ...