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…with Skechers Shape-Ups. These negative-heel shoes come in several different styles and colors, and will cost you about $110. For half the price of it’s competitors, Skechers Shape-Ups just may tone and strengthen, if you’re willing to walk on a teeter-totter sole.
http://www.skechers.com/shoes-and-clothing/brands/skechers_shape-ups_shoes/list