Burton Mini-Grom Snowboard Boots Kid's Lacing: Dualzone Shred Ready Velcro Straps Liner: Liner-Less with 3M Thinsulate Insulation Cushioning: DynoLite Outsole with Size Indicator Flex and Response: NEW Softer Flexing Outsole and Upper Shell Materials for Even More Learn to Ride Comfort Comfort: Snow-Proof Internal Gusset and Room-To-Grow Footbed: Expands Fit by One Full Size