Material: 100% Synthetic - Upper; 100% Rubber - Outsole Full-length Zoom Air unit, below the Max Air unit, runs from the forefoot to the heel. Laces are fed through channels made into the knit to ensure a locked-in, secure fit. The upper uses Nike's revolutionary KnitPosite 2.0 technology, keeping the shoe light and breathable. Molded TPU heel counter for better stability and greater on-court force. Max Air unit under the heel absorbs impact and provides cushioning. Rubber outsole with unique multidirectional pattern for improved traction and grip Molded, padded collar secures the ankle area during sharp cuts and turns.