Design:

Baseball shirts often feature raglan sleeves, which are typically a different color from the main body of the shirt. This two-tone color scheme is a common design element.The button-up front is another characteristic, giving it a classic sports jersey look.

Number:

Number 5 could be displayed on the shirt, typically on the back, as part of the traditional baseball uniform style. The number is usually worn by a player or used as a design choice to represent a specific theme or jersey.

Fit:

Baseball shirts generally offer a relaxed or slightly loose fit, making them comfortable for casual wear or even for team sports.