Northside Back Country JR Waterproof Insulated Snow Boot (Little Kid/Big Kid) 70% nylon, 30% polyester Imported 100% Faux Fur Synthetic sole Shaft measures approximately 8" from arch Waterproof, seam sealed upper Removable 4 mm felt liner 200 gram thermolite and foil bottom Waterproof shell bottom Speedy D-ring lacing Padded sherpa collar