The K-Formula is Sparco's newest flagship kart boot, and it was created to offer unmatched levels of comfort. The ultra-lightweight, perforated calfskin used in the boots' construction provides optimum breathability while still retaining a soft, comfortable fit.
Elastic back insert
Silkscreen prints
Thin rubber racing sole
Comfort insole
Closing system with cables and rotor to speed up shoe opening and closing
