Nike Air Force 1 Ultra Flyknit Low. The upper of the shoe is finely lined with red and blue over the front and rear, while the midsection chops up both colours in a circular pattern. The Flyknit lacing system is coloured in solid-blue, a colour which reaches over the collar to the heel tab. Finally, the Swoosh is metallic and the midsole is finished in white.The Nike Air Force 1 Ultra Flyknit Low 'USA'