The Nike Air Max 90 QS Premium Womens Lifestyle Shoe is super-comfortable and features the same cushioning that's made Nike Air Max designs famous. Leather upper with strategically placed overlays for durability and support. Air-Sole unit in heel for exceptional cushioning. Rubber outsole waffle pattern for superior traction. Additional eyestays for customized lacing and a locked-down fit. Rolled edges for a cleaner more streamlined look and finer detailing. Flex grooves mirror the foot gait to match natural motion.