Calgary Flames unveil uniform for 2023 Tim Hortons NHL Heritage
Oilers unveil Heritage Classic uniform - Heavy Hockey Network
Flames, Oilers unveil 2023 Heritage Classic uniforms
Boyan Demchuk on X: The 2023 Heritage Classic is reportedly going
Flames unveil sweaters for Heritage Classic - The Hockey News
Edmonton Oilers Heritage Classic, Oilers Heritage Classic
FLAMES 2023 Heritage Classic – CGY Team Store
A never-before-seen look at the 2023 NHL Heritage Classic jerseys
Heritage Classic in Edmonton: Preparations underway for 'warmer
Predicting the 2023–24 NHL outdoor game jerseys - The Win Column
NHL teams unveil new jerseys