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). And the stretchy Flyknit material is seamless and breathable, creating a shoe that weighs less than any other model with this Air unit so far. Benefits - 1-piece Air unit is the first to run the entire length of a shoe, allowing for smoother transitions and unbelievable cushioning. Flyknit upper uses stretchy yarns for a breathable and supportive fit. Seamless collar sculpts the ankle and helps reduces hot spots. Product Details - Rubber outsole. Traditional lacing.