New ski boots: The Rossignol HI-SPEED PRO 100 HV combines a cutting-edge shell design with unrivalled construction. These are boots for skiers who prefer a sporty hard boot, but with a wider 102mm shape. Using generative design and cutting-edge materials, they engineered the shell of the boot for maximum energy transfer and perfect control in every turn. Adjustable flex, and adjustable side tilt allow you to customize the character and response of the boot to match your skiing style. Pre-shaped inner boot with Thinsulate™ insulation keeps feet warm in wet and cold conditions and maximizes comfort with moldable material that conforms to your foot.