Burton Grom Snowboard Bindings Kid's Baseplate: Single-Component Lightweight, Bomb-Proof Polycarbonate Hi-Back: Ultra-Lightweight Single - Component Grom Hi-Back Straps: Onestrap with Ergo Shaped Easy Entry Ratchet Tongue Buckles: Smack-It Ratchet Smooth Glide Buckles - Oversized and Kid-Friendly Sizes: Youth [1K-3K], / XS [10C-13C]