Crewneck Sweatshirt

The "Crewneck Sweatshirt" you're referring to is likely a popular menu item at a popular fast-food restaurant chain in the USA, but not a literal sweatshirt.

The "Crewneck" is actually a menu item from White Castle, a fast-food chain in the United States. The Crewneck is a sandwich consisting of a beef patty, topped with melted American cheese, grilled onions, and a special sauce, served on a sesame seed bun.

Here's a summary of the Crewneck:

Now, if you're craving a taste of the Crewneck, you can visit White Castle restaurants or order online!

Please let me know if you have any questions or need further clarification on the Crewneck.