FIA 8856-2018 approved Ideal for mechanics or co-drivers Exceptional levels of comfort and protection Developed with input from top-level pit crews across Formula 1, NASCAR and IndyCar, the Alpinestars Radar V2 Co-Driver / Mechanics Boots combine lasting comfort with protection for use in demanding pit and service areas. A leather upper, fireproof aramidic lining, reinforced impact zones and Alpinestars’ exclusive rubber sole deliver grip, durability and flexibility throughout long shifts on hard surfaces. The following features highlight the key technologies, benefits and outcomes built into the design: Main leather upper construction: Durable leather with protective printed panels on the heel, ankle and toe provides superior resistance against wear and abrasion, keeping your feet protected and the boots looking tidy after repeated use. Fireproof aramidic lining: Flame-resistant internal material maintains full FIA 8856-2018 and SFI 3.3 compliance, offering critical safety in heat-exposed environments while keeping your feet comfortable during extended periods on hot ground. Reinforced heel and toe boxes: Strengthened structure absorbs impacts and maintains stability