Benefits
The flexibility of Free plus cushioning and support
Numerous flex grooves for a more natural, barefoot-like stride
Dynamic upper for a perfect glove-like fit
Weight: 7.2 ounces (women's size 8)
Fit
Designed to keep the foot in place without restricting movement, the Nike Free Run+ 2 features bonded overlays for excellent support. The inner sleeve provides a snug feel, yet it's dynamic enough to move with the natural motion of the foot.
Flexibility
Deep flex grooves along the outsole allow the foot to move naturally in multiple directions. The heel features a “center of pressure” design for extra cushioning on contact, maximizing overall flexibility.
Cushioning
Without sacrificing the feel of barefoot running, the Nike Free Run+ 2 Shoe delivers a plush, cushioned ride. Phylite material seamlessly fuses the midsole with the outsole, creating a one-piece design that's as resilient as it is durable. The molded sockliner mimics the curves of the foot for a comfortable, supportive fit.
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, just like 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.
Additional Details
Asymmetrical lacing system to help reduce pressure over the top ridge of the foot
Waffle lugs at the outsole for impact absorption and traction
Nike+ ready
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