Considered Design for high performance and low environmental impact Leather overlays for support and durability Mesh in upper and ankle area to enhance ventilation and breathability Full-length polyurethane midsole for durability, stability and cushioning The classic Nike Air Max 90 2007 makes a comeback in vibrant colors and a stabilizing fit to accommodate your child's swift back kick. It's made with Nike's Considered Design for high performance and low environmental impact, which is demonstrated through the sleek leather upper, polyurethane midsole with heel Max Air® unit for cushioning and a solid rubber sole with Waffle® pattern for traction