The Nike Free 4.0 Men's Running Shoe is more flexible than the Nike Free Run+ 3 and more supportive than the Nike Free 3.0. Like those styles, it combines the feel of barefoot running with cushioning, traction and underfoot protection.
- Deep flex grooves for a more natural stride
- Asymmetrical lacing system to reduce pressure for enhanced comfort
- Seamless upper for lightweight support where you need it
- Weight: 8.2 ounces (men's size 10)