Designed for advanced to Expert level skiers seeking the ultimate technology for skiing the front side of the mountain, the SPEEDMACHINE SERIES provides a high level of precision for performance on groomed snow without sacrificing comfort. Benefits: The highest level of energy transmission achieved through closer fitting lasts, stiffer flexing structures and heat moldable liners. Flex: 120-110, HP Slide, Synthetic Leather Liner, Gel Tongue, Adjustable canting, POWER DRIVER STRAP 35mm, Quick Set rear spoiler, Performance Fit.