The K2 Xplorer-1 is a perfect ski boot for the smallest skiers in your family. The Three-Piece Shell makes it very easy for parents to help slide on your little guy's boots in the morning. A very soft flex will give them just enough support without causing fatigue. K2's CushFit Junior Liner has excellent insulation and padding to keep little feet warm and comfortable. CushFit Jr. Liner, Scratch Resistant Shell, 3-Piece Design, Actual Flex: 25, Cuff Alignment: None, Warranty: One Year, Ski Boot Width: Junior, Flex: Very Soft, Used: No, Ski/Walk: No, Forefoot Width: Junior Specific Last, Flex Adjustment: No, Buckle Count: 1, Category: Downhill, Ski Gear Intended Use: All Mountain, Instep Height: High, Calf Volume: Medium, Skill Range: Beginner - Intermediate, Model Year: 2020, Product ID: 473360, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: S171902601145, GTIN: 0886745710592