The Roces IDEA Adjustable Ski Boots follow the steps of our children. Unlike traditional single sized ski boots it will grow with the child for several years covering 3 sizes avoiding the need to purchase of new boots every year! IDEA has been designed to totally satisfy any child's desire for fun and sport. The insulated inner liner is designed to adjust in size along with the shell through integrated bellows in the midfoot area. The Height Growth Compensator accommodates different size calf muscles and leg lengths. The binding used will need to be readjusted each time the boot is adjusted in size to ensure the safety of the skier. For kids to really enjoy and improve at a sport they have to like it and be comfortable playing it, with the Roces IDEA Ski Boots, you can expect that they will be comfortable in the equipment and confident to excel to high skill levels.