Fila. The jersey brand whose logo is 7 was founded in Italy by the Fila brothers in 1926, and is called Fila in English. Fila is one of the top three sports brands in the world, mainly engaged in the development of products related to elegant sports such as tennis, skiing, golf, yoga, and racing. The bright and bold design style, outstanding elegance and unique product functions make Fila unique in the top international sports brands and famous all over the world.