Product Details     Skill Level Flex Style: RBL2090 Support is what you’re looking for in a boot, and that’s exactly what the Rossignol Hi-Speed Pro 100 MV Ski Boot Delivers. It uses Rossi’s new Generative Design Structure, shaping the outside layer of the Dual Core shell to give you support and strength where you need it, helping push more of your power down to your skis. But it does it in a way that not only reduces weight but also allows for desirable flex in the Polyurethane shell. This not only makes the boot easier to get in or out of, but also makes it more comfortable overall. Comfort that’s really driven home with the Thinsulate Stretch Insulation built into the heat moldable liner.KEY FEATURES Generative Design Structure uses variable-thickness construction, giving you optimized support with reduced weight Thinsulate® Stretch Insulation built into the liner provides warmth and comfort on your longest, coldest days of the season GripWalk outsoles offer superior traction off your skis, and work with all GripWalk-compatible bindings on themSPECSLast Width: 100Skill Level: ExpertFlex: Stiff Flex Rating: 100 FEATURES Asymmetric Dual Core construction uses multiple densities of material to give the shell of your boot shaped flex and support, improving comfort, hold, and performance Polyurethane construction provides consistent support at all temperatures Weighs approximately 1900g per boot Rossignol Hi Speed Pro 100 MV Ski Boot (Men's)