Nike Air Span+ is designed by Nike for the runner requiring a shoe with moderate support that is lightweight and breathable. Air Span+ is built on a new last for better fit, allowing for a flexible toe-off, that also provides great cushioning, traction and durability. With Nike Air Span+ you'll be covering some serious ground in a men's running shoe of lightweight construction that offers superior cushioning and stability built for fast-paced training or racing.