The Ultra BOOST Uncaged from sportswear leaders adidas combines two of their finest innovations to create a future classic. With a lightweight Primknit upper and comfortable BOOST sole unit, the shoe is updated by the removal of the distinctive cage outer, streamlining the look.

• Primeknit Upper
• STRETCHWEB Rubber Outsole
• BOOST Sole Unit
• Continental Rubber Outsole
• Molded TPU For Stability
• Style Code: BB3900