Sheldon Coopers 'Tripple Threat' Shirt

It's plaid, it's blue, and it was once made by Kirra. No wonder it's known as 'Tripple Threat'. Nevertheless, it's no longer in stock.

Featured on The Big Bang Theory episodes

S01 E17: "The Tangerine Factor"
S02 E01: "The Bad Fish Paradigm"
S02 E22: "The Classified Materials Turbulence"
S03 E09: "The Vengeance Formulation"
S04 E01: "The Robotic Manipulation"