Product descriptionRossignol say - Inspire your young racer to embrace the carve. The Hero J4 sets aspiring junior skiers up for future racing success with a focus on comfort, performance, and warmth. The four-buckle shell design addresses common problem fit areas and offers an adjustable cuff for enhanced support and a customizable fit.JUNIOR CELLULAR DESIGN - The new boot design is intended to be close to the foot, with thin layers to save weight. It also allows for excellent progressive flexion, essential for good skiability.COMFORT FIT - COMFORT FIT liners feature soft and customized materials for enhanced all-day comfort. Rossignol Hero JR J4 Ski Boot