I very carefully followed the size-fit guide in ordering the sunglasses. I had my wife make the same measurements .Then we repeated the tests again. Result = MEDIUM.<br /><br />My lenses fit in snugly, but the eyeglass temples interfered with the sunglass temples so that they &#34;popped off&#34; and fit poorly. Actually fell off of my face.<br /><br />I gave them away to someone with even smaller eyeglasses.