Well you can settle for the $45 US Fitflops. <font color="blue"> ( Great stocking stuffer) </font>

According to the ad </font><blockquote><div id="quote"><font class="small">Quote:</font>
help tone and trim your thighs, your calves and your glutes while you walk in them, they’re biomechanically engineered to absorb shock and lessen joint strain. They’ve been spotted on many a celeb, recently hailed as a ‘Medical Miracle’, and reported to relieve back pain.

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So will my $10 sneakers from Wal-mart when I use them to exercise in instead of as door stops.