Children's ski boots Rossignol Hero J4 are designed with future ski champions in mind. They offer a balanced mix of comfort, performance, and durability, with the possibility of individual adjustment and advanced features. The unique features of the so-called Junior Last include a special shell construction that minimizes problematic fitting areas. The goal is to provide young skiers with comfortable, well-fitting footwear from the first wear. Comfort Fit insoles are made from soft materials that provide not only good cushioning but also all-day warmth. These are features that are crucial for young skiers who need support in various conditions. These boots have a flex index of 50 and are made from polyolefin , which ensures a good balance between flexibility and durability. The boot shell is also made from Alveo material, which further enhances user comfort.