Lotto - AZ Typhoon (White/Artic) - Women's: Microfiber top and nylon mesh upper. Air Zone aeration system. Reinforced toe cap. Removable anatomical EVA insole with air vents. Moulded EVA midsole. PUNTOFLEX flex positioning system outsole. LONGLAST 40 rubber compound for improved durability. Tread design suitable for all tennis surfaces. Shoe weighs 12.8 oz.