Nike Air VaporMax 2023 Flyknit Men's Shoes Have you ever walked on Air? Step into the Air VaporMax 2023 to see how it's done. The innovative tech is revealed through the perforated sockliner (pull it out to see more). The stretchy Flyknit upper is made with at least 20% recycled content by weight. Lighter Than Air You'll be walking on Air and feeling lighter than it—this shoe weighs less than any other model with this Air unit so far.