Buckle up for high performance with the comfort to match. The Rossignol Hi-Speed 120 HV ski boots pair cutting-edge shell design with customizable fit for skiers who need a high-volume fit. Using generative design we've engineered the boot shell and cuff for maximum energy transfer and high-speed control through every turn. Adjustable flex forward lean and canting let you personalize the feel and response to match your skiing. Our preshaped liner feels great right out of the box with a fully thermoformable design that lets you customize the fit. Details like a seamless toe box and Thinsulate(TM) insulation enhance liner warmth so you can focus on your skiing. Buckle into the Hi-Speed 120 for comfort that matches performance.High Volume FitHigh Volume Fit features a 102mm last for forgiving anatomical feel regardless of foot shapeLightweight Full PowerData-driven Generative Design minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transferBetter Skiability Better FitDual Core technology provides targeted power transmission and shell wrapping resulting in livelier rebound response and controlOptimized Rebound and ResponseAsymmetric Dual Core Cuff combines softer plastic to wrap the lower leg with harder plastic where needed for support and power transmission for optimized performance and fitAdjustable FlexA simple rear spine adjustment provides an adjustable flex range of +5 to -5 for customized power performance and comfortAdjustable Forward LeanAn adjustable spoiler on the cuff allows for two degrees of forward lean adjustment between 10.6 and 12.6 degreesSnug Accurate Precision FitPreshaped anatomic liner is shaped around the ankle bone for a snug accurate fit that feels great right out of the boxInsulated WarmthThinsulate(TM) Platinum keeps feet warm in damp and cold conditions for all-day comfort with advanced odor controlOptimized Fit and WarmthOur Seamless Toe Box eliminates pressure points for optimized out-of-the-box fit and reduces heat loss by 20%All-Terrain GripPremounted GRIPWALK(R) soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction