All the sauce was seemingly used up for the 2017 Celtic home shirt, as the following designs fell off a cliff real, fast
Who can forget the brown Porto kit from 2015? On one level, this kit was one of the most daring colour choices we've seen in recent years, and risk-taking should be appreciated. But objectively in isolation, this is naff.
Sorry to return to Celtic again but I actually blocked this one out my memory. A mercy this was never worn.