A garment designation, typically numerical, indicates the approximate chest circumference in inches for which an athletic top is designed. This metric is crucial for achieving a comfortable and appropriate fit. For example, an individual with a chest measurement around 48 inches would generally find this specific designation suitable for wearing over pads or a base layer.
Proper fit is paramount for both performance and aesthetics. A well-fitting jersey allows for unrestricted movement during athletic activity and presents a more professional appearance. Historically, sizing conventions have evolved alongside changes in player physiques and equipment, leading to greater precision in available options. Secure fit provides the wearer confidence that the jersey will allow them to excel in the game.