Ahead of its time in '99, the innovative Air Max SNDR is back and louder than ever. From the secure fit around the heel to the zip-up shroud, this legendary sneaker continues to break the mould. Unzip the shroud to reveal "6453", a nod to the last 4 numbers of Nithtke's office numbers around the world, which spell out N-I-K-E on the keypad.