This item was purchased at Atmos and has been stored in a dark place. 26.0 From the following website: A new colorway with a beautiful gradation inspired by a heat map has been released for the "M1000," a classic model that is a re-release of the training model that appeared in 1999. It features a cushioned Full ABOZORB heel and a Stability Web in the midfoot for stability. This pair features a sleek, slim silhouette with a synthetic leather/mesh upper and an SL-1 last.