The product is an officially licensed Adidas Boston Celtics short sleeve warmup jersey in black with white raglan sleeves in size XL. It is designed for men and belongs to the legendary Celtics of National Basketball Association (NBA) league. This Jersey is perfect for fans looking to show their support for the Boston Celtics in style. Made by Adidas, a trusted brand in sports apparel, this jersey is a must-have for any basketball enthusiast.