Jordan Stadium 90 Men's Shoes Comfort is king, but that doesn't mean you have to sacrifice style. Taking design inspiration from the AJ1 and AJ5, the Stadium 90 is ready for everyday wear. The leather upper delivers on durability while Nike Air technology cushions your every step. Durable upper is made of real leather and textile materials. Nike Air unit absorbs impact for cushioning with every step. Rubber outsole pays homage to the AJ1. Flame details and heel branding reference the AJ5.