Product information "Sparco Karting boot Gamma KB-4" Top-class, robust Sparco karting boot Gamma KB-4 made of suede with climate controlling 3D mesh inserts. The anatomically pre-formed inner sole ensures best comfort. Color-contrasting elements ensure a sporty look. The innovative rubber sole is shock-absorbing and gives maximum grip, even on wet or oiled road. Water repellent Petrol and oil resistant sole.