Featuring an aggressive sole, the Sparco Gamma KB-4 Kart Racing Shoes are constructed using a breathable and durable microfiber fabric. The full-lace closure offers unparalleled support, and is complimented with a breathable inner lining and anatomical insoles with specialized impact absorption at the heel. The asymmetrical soles are reinforced at the toes and heel to aide in durability without sacrificing grip and pedal feel.