[Refurbished] Air Force 1 Low SP Undefeated 5 On It Dunk Vs. AF1 'Grey Fog'Shop the Refurbished Air Force 1 Low SP Undefeated 5 On It Dunk Vs. AF1 'Grey Fog'. To do our part to decrease waste and promote sustainability, Refurbished by PUSHAS is a collection of items for customers who are okay with factory flaw or slightly imperfect items. We hand inspect each item to make sure each item is like new but slightly imperfect (for example: stain, mark, discolouration or fading) and sell them in this collection so you can enjoy