EVEN UP SHOE LEVELERAbout the product The measurement of the sole of the shoe is used to determine the appropriate size of Evenup. It is generally best to choose an Evenup a little too small rather than a little too big Adds 3 4" in height with both layers used, or 1 2" in height with just 1 layer, allowing for a customized fit This added height helps properly align your body and reduce strain from an unnatural gait Features rubber straps which adjust to ensure a proper