Buckle into the Rossignol Hi-Speed Pro 70 Junior MV ski boots for high-performance control and comfort to ski all day long. Made for skiers who prefer a medium-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 fully thermoformable liner lets you customize the fit. Thinsulateâ„¢ 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.Features:Medium Volume Fit:- Medium Volume Fit features a 100mm last for a precise, comfortable fit that balances comfort and controlLightweight, Full Power:- Data-driven Generative Design minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transferBetter Skiability, Better Fit:- Dual Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response and controlOptimized 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 fitAdjustable Flex:- A simple rear spine adjustment provides an adjustable flex range of +5 to -5 for customized power, performance and comfortCustom Comfort and Precision:- Full custom liners are 100% customizable for enhanced comfort, precision and power transmissionInsulated Warmth:- Thinsulateâ„¢ Platinum keeps feet warm in damp and cold conditions for all-day comfort with advanced odor controlOptimized Fit and Warmth:- Our Seamless Toe Box eliminates pressure points for optimized out-of-the-box fit and reduces heat loss by 20%Gripwalk® Compatible:- Gripwalk® soles feature a rubber tread and rockered toe for a more natural walking motion and increased tractionSpecifications:Cuff:- Flex index: 70- Last: 100- Cuff material: Polyolefine- Specifications: Flex Adjustment- Weight: 1,650 kg/half pair (size 23,5)Shell:- Technology: Generative design structure- Material: Polyurethane- Bootboard: PU- Specifications: Dual CoreBuckles:- Buckles technology: Flat Buckles- Buckles material: 100% Aluminium- Buckles adjustment: 4 Micro- Additional functions: Adjustable Teeth 3 PositionsLiner:- Liner technology: Custom- Tongue: Power Wrap - One-Piece Toe Box- Powerstrap width (mm): 40mmSoles:- Properties: Gripwalk CompatibleTechnology:Generative Design Structure:- Our progressive data-driven design approach harnesses the power of generative design to create the ideal boot shape. Focused on minimizing shell wall thickness for reduced weight while simultaneously enhancing power and support, our new GENERATIVE DESIGN STRUCTURE offers the most effective blend of both.Flex Adjustment:- Flex Adjustment allows a larger flex range for customized power, performance, and comfort via a simple rear spine screw adjustment.Dual Core Technology:- Our new ‘‘power injection’’ method allows the simultaneous injection of two different durometers of plastic at the exact same time. This unique mono-injection process allows targeted power transmission and shell wrapping, and creates our DUAL CORE sandwich construction throughout the shell, resulting in livelier rebound, response, and total control through the turn.