Manufactured in sizes specifically for younger kart drivers, these Sparco K-Run kart boots are designed for maximum performance and driver comfort. The microfiber leather construction coupled with ultra-breathable 3D mesh provides a comfortable fit with reduced perspiration. Lightweight and breathable for optimal comfort. Kid-specific sizes. Redesigned heel area for better support and reduced fatigue. Antibacterial and breathable inner lining to keep boots fresh between races. The technical rubber outsole provides optimal grip and feel on the pedals. The Sparco K-Run kart boots have been developed in a range of modern designs with eye-catching color schemes so you can stand out from the crowd. They don't just look grey; they offer high levels of performance that can be used by karters at any level. In addition to the performance features highlighted above, these boots also include rear heel gussets for increased comfort and an improved inner sole to reduce pedal pressure and vibrations. An internal lace system with Velcro strap provides a snug, secure fit with optimal support.