Inspired by athletes looking for the fits-like-a-glove feel of a sock, the Nike Free® Flyknit® 4.0 men'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.
- Midsole Material: NIKE Free®--Offers cushioning and flexibility
- Outsole: Flex Grooves--Channels allow the shoe to bend & flex properly with the natural motion of the foot.
- Cushioning Technology: Forefoot and Rearfoot--
- Model Number: 631053
- Classification: Cushioning
- Recommended Fit: These shoes run True to Size.
- Shoe Weight: 7.7 oz (size 9.5)