The Rossignol HI-SPEED PRO 100 MV ski boots combine a cutting-edge shell design with unrivalled construction. These are boots for skiers who prefer a 100 mm medium volume boot 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. The preformed inner boot with Thinsulate™ insulation keeps your feet warm in wet and cool conditions. Comfort is maximized thanks to a heat-moldable material that adapts to your foot.