Gradient sole design adds visual depth to the sneakers The "Dark Smoke/Dusty Cactus" version of the Nike Vapormax Flyknit introduces a color gradient element to its main cushioning structure.

Here's what he has to say. "With the LunarEpic Flyknit, Nike has done something pretty bold. But while the new mid-cut collar and the new soles look pretty cool, the proof with running shoes is ...