Carbon Fiber Insoles for Sport, Foot Support Performance Insoles for Athletes-Reduces Shock to IncreaseCarbon Fiber Insoles for Sport, Foot Support Performance Insoles for Athletes Reduces Shock to Increase What is Carbon Fiber? : Carbon fiber has been called the "king of materials". Carbon fiber plates made from aerospace grade carbon fiber have good properties such as high tensile strength, shock resistance, and impact resistance. And it is widely used in military, medical, racing, sports equipment, and many other aspects of daily use. It is used