The Superfeet Premium Insole Carbon Fiber Trim to Fit Ultralight & High Performance-E Adults UK 8 - 9.5 is the perfect choice for those looking for a lightweight and high performance insole. This insole is designed to provide superior cushioning and support for your feet, while also helping to reduce fatigue and improve overall foot health. The insole is made from a combination of carbon fiber and foam, which provides a lightweight and durable construction. The insole also features a trim-to-fit design, allowing you to customize the fit to your foot size. The insole also features an anti-microbial top cover to help keep your feet dry and comfortable. The Superfeet Premium Insole is ideal for those who are looking for a lightweight and high performance insole that provides superior cushioning and support. It is also perfect for those who are looking for an insole that can be customized to their foot size. With its lightweight construction and trim-to-fit design, the Superfeet Premium Insole is the perfect choice for those looking for a lightweight and high performance insole.