adidas Women's Rally Court Tennis Shoes Synthetic Upper:Synthetic leather with perforations for lightweight comfort; Inlay: Die-cut molded EVA insole for anatomical comfort Midsole: ADIPRENE and ADIPRENE+ inserts for comfort and shock absorption. TPU heel wrap and TPU Torsion System for stability Outsole: Non-marking ADIWEAR outsole in a modified herringbone tread pattern for traction on all court surfaces and durability in high-wear areas.