Alpinestars Tech 1-Z V3 race boots are designed to offer superior comfort with a secure fit and optimum pedal dexterity, while maintaining the highest levels of heat and flame protection in accordance with FIA 8856-2018 regulations.Premium leather upper construction provides exceptional comfortDual closure speed lace system and flat wire support system allow for a close fit with fewer pressure points for reduces fatigue and improved focusStrategically positioned perforation zones provide airflow through the boot to help regulate foot temperature, reducing perspiration and improving comfort in longer racesKnitted stretch tongue allows for easier entry and perforated tongue padding improves breathability, further enhancing comfortThin rubber sole derived from F1 provides the perfect balance of grip end dexterity on the pedals for superior controlA contoured shape and ergonomic foot bed provides a natural, more comfortable foot posture with maximum support and flexibility reducing fatigue