Shirt: Halen Cord Windowpane Button-Down Shirt by OBEY
Howard Wolowitz (played by Simon Helberg) on The Big Bang Theory on CBS was spotted wearing this red checked shirt on The Big Bang Theory on episode 'The Collaboration Contamination' (11x05) in Oct 2017. Howard's Shirt is the Halen Cord Windowpane Button-Down Shirt by OBEY.