Product Description This shoe leveler is designed for individuals wearing a walking boot or those with minor leg length discrepancies. It helps restore balance and stability, making daily movement more comfortable. To choose your correct size: 1.Place your regular shoe on a flat surface. 2.Using a ruler, measure the full outer length of the shoe sole from heel to toe. 3.Match this measurement (in inches or centimeters) with our product's size chart to select the perfect fit. For best results, ensure your measurement corresponds closely with the chart provided in the product images.