For incredibly swift and agile performance, adidas adiZero Ubersonic tennis shoes deliver quick mobility without sacrificing stability. You'll experience the confidence from ample heel support and long-lasting durability during aggressive and fast-paced tennis movements. A shimmering finish adds a touch of flare and femininity to your look.Upper: Engineered woven fabric provides lightweight support stability and unmatched comfort. External Dual Density SPRINTFRAME construction ensures maximum heel support while preventing pronation. ADITUFF™ strategically placed TPU material in toe area and medial side provides long-lasting durability for the extreme abrasion that occurs during tennis movements.Midsole: TPU midfoot support element helps lock the foot to the midsole platform for control during aggressive moves. ADIPRENE® and ADIPRENE®+ cushioning element in rearfoot and forefoot. TORSION® SYSTEM is engineered to integrate forefoot and rearfoot movements to support quick changes in direction and further amp up stability.Outsole: ADIWEAR™ 6 extremely durable outsole rubber provides secure grip in all direction for abrasive courts. Special Note: Each pair has its own unique color pattern on the heel collar and tongue tab.