Puma 1000 v3 Boots The 1000v3 boot was developed with the help of Grand Prix riders and is a pro-level boot suited for any kind of road-racing activity due to its improved safety components. Features Intelligent Safety The Ghost Doctor protection device has been designed after the medically defined angles of no return, beyond which you would suffer from serious ankle injury. It limits the movement range in all four directions and becomes active when the ankle reaches a dangerous angle, making it an intelligent protection device thats there only when you need it most Increased Protection The Exo Low has a 360 degree cockpit construction that wraps under the heel, maximizing stability and increasing lateral impact protection Improved Cushioning A small cushioning structure is built into the lower portion of the Exo Low to provide vertical impact protection in the event of a high-speed crash The third generation 1000v3 benefits from ongoing evolutional change. The 1000v3 features flexible nylon toe sliders, a Bifit footbed with cut outs to improve flexibility in the forefoot, more flexible lining for easy step in/out, and modifications to the exo-low and calf protector to make the boot more able to withstand the rigors of competition