A Philadelphia 76ers Julius Erving #6 NBA Swingman Red Basketball Jersey T-shirt would likely commemorate Julius Erving's time with the Philadelphia 76ers. Here's what you might expect from this type of jersey shirt:

Player: Julius Erving, widely known as "Dr. J", was an iconic NBA player who wore jersey number 6 during his tenure with the Philadelphia 76ers.

Swingman Jersey T-shirt: This designation typically refers to a type of jersey or shirt that closely resembles the authentic on-court jerseys worn by NBA players but is designed for fans and collectors.

Design: This T-shirt would likely emulate the appearance of an official NBA jersey, displaying the team name, player's number, and possibly additional details such as the NBA logo and 76ers' branding.

Color: The red color indicates it might be an alternate or special edition color compared to the 76ers' traditional colors of blue, red, and white.

Fan Apparel: These shirts are popular among fans who want to honor their favorite players and teams. Wearing such shirts allows fans to celebrate Julius Erving's contributions to the Philadelphia 76ers.

Authenticity: While resembling a jersey, these shirts are T-shirts made for fans and may not be the official game-quality jerseys worn by NBA players during games.

When purchasing such a T-shirt, ensure it's officially licensed NBA merchandise to properly support the player and team. Fans often wear these shirts to commemorate iconic players like Julius Erving and their impact on their favorite teams, such as the Philadelphia 76ers.