The Air Max 1 Ultra Flyknit is still yet to hit store shelves, but the newly-overhauled incarnation of Tinker Hatfield's legendary design is already scheduled to receive the NIKEiD treatment. Dropping July 28, alongside the model's official retail debut, the lightweight runner will be available through Nike's online customisation service with a plethora of options – including the choice of one of 37 country-inspired icons for the heel to rep your homeland with pride.