Inspired by athletes looking for the fits-like-a-glove feel of a sock, the NIKE Free® Flyknit® 4.0 women's running shoes feature an innovative upper design that's seamless, featherweight and breathable. Flywire® cables provide ultra-strong support, while hexagonal flex grooves in the NIKE Free® midsole allow enhanced range of motion for a smooth, fluid ride.
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- Model Number: 631050
- Classification: Cushioning
- Breathability: Yes
- Shoe Weight: 5.7 oz (size 6.5)
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- Channels allow the shoe to bend & flex properly with the natural motion of the foot.
- Cushioning Technology: Forefoot and Rearfoot
- Inspired by the fit of a sock
- Form-fitting, featherweight and seamless design
- Developed through years of studying the biomechanics of barefoot running
- Flywire® cables provide support