FIA 8856-2018 approved Soft and supple K-Leather upper Speed lace system 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 comfort Dual closure speed lace system and flat wire support system allow for a close fit with fewer pressure points for reduces fatigue and improved focus Strategically positioned perforation zones provide airflow through the boot to help regulate foot temperature, reducing perspiration and improving comfort in longer races Knitted stretch tongue allows for easier entry and perforated tongue padding improves breathability, further enhancing comfort Thin rubber sole derived from F1 provides the perfect balance of grip end dexterity on the pedals for superior control A contoured shape and ergonomic foot bed provides a natural, more comfortable foot posture with maximum support and flexibility reducing fatigue when worn for long periods The Alpinestars Tech 1-Z V3 is a lightweight race boot designed to