Khombu Kelly Km Side Zip Boot (Little Kid/Big Kid) 100% Synthetic Imported Rubber sole Shaft measures approximately 7.5" from arch Platform measures approximately 1 inches Boot opening measures approximately 11" around Outdoor boot featuring patent-sheen bootie and hex-stitched shaft with contrast outstep zipper Faux-shearling lining Thermolite insulation rated to -20F degrees