The new apparel is the latest in the campaign's line of rage-baiting merchandise.
After a man allegedly called him "Fredo" in an argument, the CNN host was seen on video claiming that the insult is comparable to "the n-word."
CNN defended its primetime host, calling the incident "an orchestrated setup."
The political commentator said the president's eldest son was trying to "hold on to the fame of his father" to stay relevant.
Donald Trump Jr. also gets dinged as the hapless Fredo Corleone from "The Godfather."
Solo Concerts, Stealin' Home and Similar Skin: Chats with Bruce Hornsby, Iain Matthews and Umphrey's McGee...Plus!
Iain Matthews: My daughter designed a cover for one of my albums, with a drawing and misspelled my first name. Rather than correct it, I simply changed my name.
I have a friend who just got a puppy and named him Fredo after the traitorous brother of Michael Corleone in the "Godfather" movies. I might have to ask him if I can borrow the name.