2023-24 Athletic Bilbao Third Shirt

This official Athletic Club home shirt from the 2023-24 season, produced by Castore, features a white base with a subtle tonal abstract graphic pattern, a red and white striped crew-neck collar, red and white striped sleeve cuffs, and Kutxabank as the main sponsor.

Athletic Club wore this third kit during the 2023–24 season, a historic campaign that ended with the club winning the Copa del Rey — their first major trophy in 40 years. The final victory over Mallorca in Seville was an emotional moment for the club and their passionate Basque supporters.