Nike Free Trainer 7.0 NRG Men's Shoe
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Details GREAT CHANGE OF DIRECTION, DYNAMIC FIT Combining barefoot-like freedom and shoe-like comfort, the Nike Free Trainer 7.0 NRG Men's Shoe delivers outstanding flexibility and ground-gripping traction for high-speed control. Nike Flywire integrates with the laces for stability during multidirectional movements, and mid-cut profile lends extra support. Benefits Soft leather upper with perforations at the toe for durability and breathable comfort Flywire bundles that integrate with the laces for a Dynamic Fit and adaptive support during quick cuts Cushlon midsole within a firmer Phylon carrier for plush, resilient cushioning and a supportive feel Deep flex grooves extend through midsole and outsole for superb flexibility and a barefoot-like feel Solid rubber outsole with delta-shaped nodes for multi-surface traction and durability Nike Free Origins After learning that Stanford athletes had been training barefoot on the university's golf course, three of Nike's most innovative and creative employees set out to develop a shoe that felt natural and weightless, similar to bare feet. In 2002, they examined a group of men and women with pressure-measuring insoles taped to their feet, using high-speed cameras to capture images of each foot in motion. The team spent eight years studying the biomechanics of shoeless running. The results yielded a profound understanding of the foot's natural landing angle, pressure and toe position, allowing Nike designers to build an unconventional and flexible running shoe from the inside out.