Nike Free

When the Nike Free was launched a decade ago, it wasn't really designed for running. Its creators intended it to be used as a training tool to help strengthen your feet - the bulk of one's mileage should still to be done in standard Shoes. But, between then and now, the running industry experienced two seismic shifts: First, the minimalist craze took hold, with barely-there shoes promising runners improved form (supporters claimed we were born to prance on our forefoot) and fewer injuries. Every major shoe manufacturer churned out models to capitalize on the craze, and the Free, ahead of the wave, became Nike's de-facto offering. Fast forward a few years, when enough runners realized they we were crashing to the ground heel-first and getting new injuries, the minimalist movement flickered out as fast as it ignited. The next trend: cushiony, comfortable shoes.

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