The best men's crewneck sweatshirt is ... to the gray crewneck it's actually true—next to a plain white T-shirt and a pair of blue jeans, it really is about as essential as it gets.

It's the blue crewneck sweatshirt, selling for $65, While most merchandise sold at the stands for The Eras Tour in the U.S. is available on the website, including a blue hoodie, the blue crewneck ...