The 2004/05 Olympiacos away shirt featured a black base with bold red detailing on the shoulders and sleeves, paired with black shorts and socks. It carried the Siemens Mobile sponsor across the chest alongside the club crest, giving it a sleek and modern look for the mid-2000s. Worn by players such as Rivaldo, Giovanni, and Predrag Đorđević, this kit is remembered from a season where Olympiacos dominated domestically, winning both the Greek Super League and the Greek Cup double.

The 2004/05 Olympiacos home shirt featured the club’s traditional red-and-white vertical stripes, paired with white shorts and red socks. It carried the Siemens Mobile sponsor across the chest alongside the club crest, keeping the classic Olympiacos identity. Worn by stars such as Rivaldo, Predrag Đorđević, and Giovanni, this kit is remembered from a historic campaign where Olympiacos completed the domestic double, winning both the Greek Super League and the Greek Cup.

The 2001/02 Olympiacos home shirt featured the club’s traditional red-and-white vertical stripes, paired with white shorts and red socks. It carried the Siemens Mobile sponsor across the chest alongside the club crest, presenting a classic Olympiacos look. Worn by stars such as Predrag Đorđević, Giovanni, and Stelios Giannakopoulos, this kit is remembered from a season in which Olympiacos claimed another Greek Super League title, continuing their domestic dominance in the early 2000s.