Wraps your foot in a stretch woven material that gives you structure and support with every stride. Underfoot, the lightest, most flexible Air Max cushioning to date gives a super bouncy sensation that will feel like you're running on air. VaporMax technology provides soft, lightweight responsiveness and cushioning only where you need for optimal flexibility. Stretch woven material adds lightweight structure. Internal cage wraps around your midfoot for added support. External reinforcement in the heel secures the back of your foot. Colorshift on the Air unit looks opaque but is transparent when held up to light. Rubber pods in high-wear areas for durability.