Tshirt: Atmospheric C02 Tshirt by Thinker Clothing
Sheldon Cooper (played by Jim Parsons) on The Big Bang Theory on CBS was spotted wearing this blue graphic tee on The Big Bang Theory on episode 'The Friendship Turbulence' (7x17) in Mar 2014. Sheldon's Tshirt is the Atmospheric C02 Tshirt by Thinker Clothing.