There's nothing as good for the sole as a comeback classic. When Dr. Scholl's Exercise Sandals debuted in 1948, the wooden slip-ons were promoted as a means to flex the foot, strengthen the arch and tone leg muscles. In the 1970s they peaked in popularity, not as an orthopedic shoe but as inexpensive hippie footwear. Today the sandals with the trademark gold buckle and unmistakable staccato ticking sound are back. "Sales are up 630% from last year," says Alan Johnson, a buyer for Shoes.com "It started in January as a very metropolitan craze. Now they've spread to every corner."...
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