Spidi XPD Xp9-R Air Boots The Spidi XPD Xp9-R Air Boots offer an optimal solution for riders facing the extreme heat of track days. Designed with a perforated microfiber upper, these boots not only promise breathability but also boast high abrasion resistance for enhanced durability. For areas prone to wear and contact, replaceable sliders on toes and heels add an extra layer of protection. The unique diagonal sole heel design improves foot positioning on the pegs for better control. Additionally, the boots feature a micrometric closure system around the calf with a quick-release ratchet, ensuring easy on and off access for the rider. Features: High abrasion resistant vented microfiber upper Medial side high abrasion and heat resistant suede microfiber upper Personalized and high grip double density vulcanized rubber sole with protective toe area profile and slider holder Diagonal sole heel design for perfect foot positioning on the foot peg Injection molded plastic protections Aerodynamic plastic rear fin Plastic gear pad protection Replaceable and lightweight magnesium toe slider Replaceable and anti-grip calf and heel cup slider/insert made in high abrasion resistant polyurethane Air ventilation pockets on front plate and heel cup Watertight, dustproof and insect repellent microinjected neoprene collar Vented microinjected neoprene front panel Lateral zip closure with microinjection insert for a better fitting adjustment to the different ergonomics of the ankle Micrometric closure of the calf area with quick release ratchet Highly durable textile material lining for added breathability and easy inner shoe entry Biomechanic protective and removable inner bootie Ags3 (Ankle Guard System) Reinforced toe and heel area Hard D.f.a. (Differentiated Flexibility Area) molded and ergonomic lasting nylon insole Air Tech Sensitive Fit and anti-bacterial replaceable foot bed CE EN 13634 certified