In the 1960s,the T-shirt became a means of self-expression,as well as to send advertising messages and protests.people began to dye and screen print the basic cotton T-shirt, making it an even bigger commercial succes. Advances in printing and dying allowed more variety in the look of the T-shirt,such as the tank top and v-neck,came in to fashion.The T-shirt was inexpensive,stylish,and could make any statement you cared to print on it. The american T-shirt came into its own in the late sixties.Rock'n'roll bands realized that that they colud make significant amounts of money selling T-shirt printed with the name of their group.professional sports followed the bands' example ,and soon the officially licensed teamT-shirt became hot merchandise