From the 2021-22 season,  a Liam Sztuska team issued warm-up jersey - when Sztuska wore number 35. The 2021-22 official Petes game-worn warm-up jerseys designed and produced by Signarama Peterborough powered by Fully Promoted.

The jersey is pro weight, full sublimation complete with fight strap, double stitched elbows and is a goalie cut.