Curtiss P36 Hawk
The Model 75 or Curtiss P36 Hawk was introduced into the United States Army Air Corps in 1938. It was the predecessor of the P40 so didn't see much action with the USAAC, but was used by Finland, the French Air Force and the RAF as the Mohawk.
T-shirts are made from 100% pre-shrunk ringspun cotton. A comfortable shirt to wear at 185gsm with tubular short sleeves.