Carbon Fiber Insole with Arch Support for Long Periods of Standing,Carbon Fiber Insole with Arch Support for Long Periods of Standing, Premium carbon fiber shoe insole designed for both men's and women's footwear offering superior arch support and stability during running basketball hiking and other high impact sports activities Ultra thin insoles for men and women featuring a lightweight carbon fiber foot plate that enhances energy return and reduces foot fatigue during prolonged athletic performance Versatile