adidas Performance Women's Galaxy Allegra III Tennis Shoe 100% Synthetic/Textile Imported n/a Rubber sole Torsion bar for midfoot stability adiwear6 for the best durability in high wear areas Newly constructed and pro athlete inspired low profile hard court outsole for maximum performance in multiple direction Thermoplastic polyurethane-midfoot support for more stability, locks the foot for lateral cuts Perforations for ventilation