The K1 has all the features of our men’s bindings sized for smaller riders. This kids binding comes with the C-Series Chassis pairs that pairs an aluminum heel cup with a nylon base tray. This provides ultimate adjustability to fit multiple boot sizes. The aluminum heel cup provides the feel and durability of aluminum where you need it while the composite tray offers comfort and a smooth ride. The One-Piece Ankle Strap offers performance and comfort without bulk and weight. The K-1 is designed for kids that demand high-end features and performance.