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
- Lightweight breathable lining
