FIA 8877-2022 approved Excellent fit and feel Shock absorbing foot bed Ultra-light, high grip rubber sole Discover the pinnacle of karting footwear with the K-Prime, the first kart boot from Sparco to meet the latest FIA 8877-2022 approval for karting which calls for a higher level of protection. Utilising input from top drivers the boot is constructed using a smooth micro-fibre leather upper with elasticated rear ankle bellows to provide the very best comfort and mobility. Meets the latest FIA 8877-2022 approval for karting Smooth micro-fibre leather upper provides a superb fit and feel Elasticated rear ankle bellows allow for optimum support with unrestricted movement Shock absorbing foot bed helps isolate vibrations, reducing fatigue in the foot Ultra-light rubber sole with different grip textures gives the optimum balance of grip and dexterity on the pedals Single strap closure system allows for a secure fit and easy entry Abrasion resistant protection on the toe and heel areas for increased durability This range topping kart boot from Sparco is designed for drivers who demand the best in comfort, durability and performance. The use of technical ma