What Our Gearhead® Experts Are Saying:"These boots are ideal for carving on groomers. The Thinsulate insulation keeps your feet warm without adding bulk, and the adjustable fit ensures all-day comfort and performance."When performance meets comfort, the result is the Rossignol HI-Speed 100 HV boots. Designed for on-piste skiing, these boots offer the perfect balance of power and adaptability. With a 100 flex for precise energy transfer and a 102mm adjustable last width, these boots fit like they were made for us. Thinsulate Stretch insulation keeps our toes warm in biting temperatures, while the gripwalk-compatible soles provide confidence when walking on icy surfaces. Four micro-adjustable aluminum buckles and a power wrap closure ensure a secure fit, so we can focus on carving perfect turns all day long.