1.Massage Effect; 2.Cotton soft comfort; 3.moisture control; 4.ankles protection; 5.achilles cushion Component:77%cotton,20%polyester,3%polyruethane elastomeric.Feature:strong breathe-ability high sweat absorption super extensibility stretchable weltAbout us Flex Pro U.K. Group was established in 1988, integrating research and development, production and trade into one. The headquarters of Flex ...