Buy United States Nike Running Shoes - Men's Nike Free 4.0 Print Deep Royal Blue/Blue Lagoon/White/Black - 729818_401

The Nike Free 4.0 Print Deep Royal Blue/Blue Lagoon/White/Black of Men's Nike Running Shoe features a seamless mesh upper and deep flex grooves for ventilated comfort and flexibility over any distance.BREATHABILITY AND NATURAL MOTION
Benefits

    One-piece, seamless mesh with synthetic overlays for breathability and lightweight support
    Phylite midsole that's tough enough to double as an outsole for cushioning and durability
    Deep, diamond-shaped flex grooves for flexibility and a natural feel
    Outsole rubber in high-wear areas for 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....
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