NIKE Womens Air Zoom Mystify IV Tour [344544-101] White/Metallic Silver-liquid Lime Womens Shoes 344544-101 Genuine Leather-Synthetic Upper and Man Made Sole Lightweight synthetic upper with a full-length Phylon midsole. Zoom Air units in heel and forefoot. New Innovative Heat Block technology keeps heat from the court from entering the shoe. Regionalized wear zones with new XDR rubber compound. Full-length herringbone pattern for a variety of court surfaces.