They may not be the most attractive footwear on the planet, but FitFlop sandals offer a potentially unique benefit: a workout while you walk.

Of course, you always get a workout from walking, but the company claims that "The FitFlop's uniquely built multi-density midsole activates muscles midstep to help tone your thighs, your calves and your glutes. In fact, FitFlops are biomechanically engineered to absorb shock, lessen joint strain, and recreate the gait of barefoot walking - but with a powerful new built-in micro-wobbleboard workout-enhancing effect."

All that aside, if you really want to tone your legs and backside, there's plenty of exercises that'll get the job done more quickly than a pair of fancy sandals.

But, if you really don't want to work out, and don't mind having a pair of ugly shoes, maybe the FitFlop is for you.

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