Sparco Omega KB-6 kart boots are ultra light weight and breathable. Featured include uppers that are made from a breathable pressed fabric and feature leather inserts. The inner lining is breathable with anatomical insoles. They have an elastic-like panel at the rear just above the heel to improve fit and allow the ankle to move freely when driving. Asymmetrical rubber soles are also featured with external lateral reinforcement and belt closing with loop.