by 
Not to be outdone by Vibram, Adidas rolls out their own version of a five-fingered running shoe with one cool differentiator &ndash it’s meant to be used indoor. The Adidas Adipure Trainer ($90) offers all the benefits of barefoot running in the gym or on the treadmill thanks to its independent toe separation design, quarter-inch profile, allowing for natural movement of your foot. [source]