The 2026 Atlético Universidad away shirt by Millennium Sportswear pays tribute to Arequipa's iconic sillar stone with an elegant grey design. The kit features ornaments inspired by the pillars of the La Compañía de Jesús cloister, while the collar and cuffs display a zigzag motif reflecting the Ruta del Sillar at Las Canteras Históricas. A powerful "Soy arequipeño" inscription on the back of the neck completes this local tribute, celebrating the club's deep roots in the White City.