The Trog bears a handful of similarities to the Air Snak, the main one being they were both lasted on the Footscape last - you can see the footscape logo on the outsole and insole. This last was the product of intensive research by the Nike Sport Research Laboratory, and was meticulously designed by Tory Orzeck in the early 90s. The model released later in 1995 with a design based on the shape and movement of the human foot The Trog features suede overlays that enforce a breathable canvas below, as well as the same midsole tooling as the Snak. These remain in good vintage condition, with no major cosmetic flaws. You will not find another pair of these for sale anywhere. A true piece of Nike history. See policies before purchase.