Double density EVA cushioning material. Li Ning, a sporting goods company founded by Mr. "Prince of gymnastics" Li Ning in 1990, whose products are unbounded 4 fitness shoes, which is the best-selling shoes. The sensitive foot feeling is realized by the midsole technology of double-density EVA cushioning material. On March 26th, 20021year, Li announced that Sean Xiao had become the global spokesperson of sports trend products.