acerbis stivali x raceLightweight, protective, anatomical boot. Upper made of leather and cut and abrasion resistant microfiber Hinge in the ankle area between medial protection and calf shaft ensuring rotational flexibility of the foot and axial control of the leg Tibial protection through anatomically shaped and reinforced shin guards Shaped heel protection to speed up gear changes at the start Medial and toe protection extended inside and outside made with specially