Klopp's side begin their European exploits against Carlo Ancelotti's side as they look to get off to a winning start in Group E.
The Reds, who have made a flawless start to their league campaign, trained at Melwood on Monday morning before jetting off to Naples in the afternoon.
The squad will be put through the paces at the stadium on Monday evening after Jurgen Klopp speaks to reporters in his pre-match press conference.
Goalkeeper Alisson, Divock Origi and Naby Keita miss out as expected, however, the rest of the squad are all fit and included.
Liverpool squad vs Napoli
Goalkeepers: Adrian, Lonergan, Kelleher
Defenders: Alexander-Arnold, Matip, Gomez, Lovren, Van Dijk, Robertson
Midfielders: Fabinho, Milner, Henderson, Oxlade-Chamberlain, Wijnaldum, Lallana, Shaqiri
Forwards: Firmino, Mane, Salah, Brewster