Some Blue Jeans is a term used to refer to a specific type of jeans, Levi's. Levi's are a popular brand of jeans that have been around since the late 1800s and are known for their quality and style. They are typically made from denim and come in a variety of colors, including blue. The term 'Some Blue Jeans' is often used to refer to any type of jeans, but it is most commonly associated with Levi's.