My first time making one of these, but here's a concept for a throwback jersey using the 2008 Alt striping with the 2011 Winter Classic logo. Shouts to u/evangupta for the template! :
2011 Pittsburgh Penguins NHL Winter Classic 1st Period Game Worn Jerseys - PENGUINSCHRONICLES.COM
Winter Classic 2011: Ranking NHL Alternate Jerseys | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Report: Penguins to get new 3rd Jersey Next Season - PensBurgh