Nike Zoom Cage 2 - Women's The second generation of the Zoom Cage franchise continues Nike's commitment to ultimate durability in a lightweight, agile platform that helps you win. A forefoot Nike Drag-on Cage upper provides protection during specific tennis sliding movements without sacrificing breathability. Visible Nike Zoom Air in the heel provides a low-profile ride that is also incredibly responsive with a medial mid-foot shank for lockdown. A zonal herringbone outsole puts traction where you need it most. Strategically placed outsole wear shelves with Nike XDR rubber for durability that holds up over time.