This product is a boys' J.Crew Size Medium 8/9 Striped Performance Half-Zip in navy blue and white. It is a long-sleeve pullover with a zipper closure, suitable for travel, activewear, and casual occasions. The pullover is machine washable and features a regular fit, making it versatile for all seasons. Made by Crewcuts, this 1/2 zip pullover is perfect for various activities such as school, beach outings, and running & jogging.