The Forma Phantom Flow boots are extremely technical and developed over generations of MotoGP racing. Designed for maximum performance, the perforated micro-fiber construction is protective and lightweight. The FCS Pivot system brings lateral stability and ankle support. Internally the Coolmax race-liner with speed-lace system offers the ultimate comfort. A special compound race sole offers the necessary feel and feedback for total control. Rebuildable for pushing the limits, and super durable like traditional Forma bloodlines. Outer Vented microfiber upper Personalized double-density rubber sole Rear vertebrae system to ensure controlled flex and torsion Injected and molded plastic protections Three titanium sliders (front, side, rear) Polyurethane gear shift protection A. I.S. (Air Intake System): air intakes for ventilation Velcro and zip closure Side lever closure Shock-absorber insert in the heel Innovative front cambric system with a skeletal design that provides increased flex and protection Inner Air mesh lining Polyurethane nylon reinforcements Soft polymer padding with memory foam TPU Dual Flex with anti-shock felt midsole Anti-bacterial replaceable footbed with A.P.S. (Air Pump System