... 21%%polyester 3%spandex 3. comfortable, breathable FLEXPRO brand cotton sports socks1.Composition: 54%cotton, 24%Acrylic,21%%polyester 3% ... . Flex Pro U.K. Group has authorized Guangzhou Jianhong Sports Goods Co., Ltd as the general agent of FLEXPRO brand ... screen wires, strings, grips; and every kind of professional sports shirts, and sports shoes. The tennis racket and battledore of the FLEXPRO ...