... Wear Series 2.FLEX COOL is a highly functional CD-TYPE polyester fiber. 3.53%polyester+47%ho- ... M, L, XL, 2XL,3XL About us Flex Pro U.K. Group was established in 1988, integrating research ... production and trade into one. The headquarters of Flex Pro U.K. Group is in the Asian financial center ... , Hong Kong. Flex Pro U.K. Group has authorized Guangzhou Jianhong Sports Goods ...