Nike Air Max 90 PRM Shoes. The Air Max 90 stays true to its running roots with the iconic Waffle sole, while stitched overlays and textured accents create the '90s look you love. Textured leather upper with synthetic overlays creates a layered look that lasts. Nike Air technology absorbs impact for cushioning with every step. Rubber Waffle outsole delivers durable traction and heritage style. Foam midsole. Imported.