The 1940s marked a significant turning point for t-shirts as they transitioned from being considered underwear to being worn as outerwear. During World War II, American soldiers were issued t-shirts as part of their uniforms. The lightweight and comfortable nature of t-shirts made them ideal for soldiers in warm climates. As soldiers returned home from the war, they brought their love for t-shirts with them, popularizing them among the general population. T-shirts became a symbol of the military and were often worn by veterans and supporters to show their patriotism.
The 1950s and 1960s saw t-shirts become a symbol of rebellion and counterculture movements. The emergence of rock 'n' roll and the rise of youth culture led to a shift in fashion, with t-shirts becoming a way for young people to express their individuality and challenge societal norms. T-shirts featuring iconic symbols and slogans became popular, representing the anti-establishment sentiments of the time. From the iconic "James Dean" white t-shirt to the rise of graphic tees, t-shirts became a canvas for self-expression and a statement against conformity.