The NK Air Zoom Rival Fly 4 racing flight 4th generation lightweight cushioning breathable running shoe features a lightweight and breathable mesh upper, an Air Zoom cushioning built-in air cushion in the forefoot, and Cushlon 3.0 foam in the heel of the arch, made of nylon
The NK Air Zoom Rival Fly 4 racing flight 4th generation lightweight cushioning breathable running shoe features a lightweight and breathable mesh upper, an Air Zoom cushioning built-in air cushion in the forefoot, and Cushlon 3.0 foam in the heel of the arch, made of nylon