Burton Shoes Grom black 2018/19 Kids Lacing Dualzone Shred Ready Velcro Straps - Velcro-only system for children. So simple they can handle it themselves. Liner-Less Liner - The boot does not include an inner shoe for easier 3M Thinsulate Insulation's smallest kids' shoes - exclusively in Grom shoes. Insulation that provides heat even when the shoe is wet Cushioning DynoLITE Outsole with Size Indicator