Nike Air technology absorbs impact for cushioning with every step. Rubber outsole provides everyday traction. Rubber outsole pays homage to the AJ1 Flame details and heel branding reference the AJ5 aking design inspiration from the AJ1 and AJ5, the Stadium 90 is ready for everyday wear. The upper is made of synthetic leather and textiles, sporting a combination of the AJ1 toe box and flame details from the AJ5. Nike Air cushioning makes every step as effortless as your style.