Buckle into the Rossignol Hi-Speed 100 HV ski boots for high-performance control and comfort to ski all day long. Made for skiers who need a high-volume fit, we’ve engineered the boot shell and cuff through generative design for maximum energy transfer and high-speed control through every turn. Adjustable flex and canting let you personalize the boot feel and response to match your skiing. A thermoformable liner lets you customize the fit. ThinsulateT insulation enhances liner warmth, so you can focus on your skiing. Buckle into next-generation control with a fit that lets you ski all day. High Volume Fit features a 102mm last for forgiving anatomical feel regardless of foot shape. Data-driven Generative Design minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer. Better Skiability, Better Fit. Dual Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response and control. Optimized Rebound and Response. Asymmetric 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 fit. A simple rear spine adjustment provides an adjustable flex range of +5 to -5 for customized power, performance and comfort. Custom-fit liner features customizable zones for comfort-driven fit with increased heel support and softer padding through the ankle and instep. ThinsulateT Platinum keeps feet warm in damp and cold conditions for all-day comfort with advanced odor control. Optimized Fit and Warmth. Our Seamless Toe Box eliminates pressure points for optimized out-of-the-box fit and reduces heat loss by 20%. GRIPWALK® soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction. Brand new in box.