The Men's Nike Black Army Black Knights 2023 Rivalry Collection Courtesy of Club Tri-Blend T-shirt is a must-have for any loyal Army Black Knights fan. With its screen-printed graphics, this shirt proudly displays your unwavering support for the Army Black Knights. Made from a comfortable blend of polyester, cotton, and rayon, this tri-blend t-shirt is perfect for game day or any day you want to show your Army Black Knights pride.