These are a pair of Nike Air Zoom Pegasus 37 prototype running shoes .manufactured date 5/09/ 2019 - 05/30/2019 and eventually became the Pegasus 37 black olive with the main difference being the large swoosh and the textured bottoms. We have added pictures of production vs prototype . Shoes are new but have been tried on . We do have the box, but the top has been cut off and the labels have been removed as per Nike specs .