The Pegasus Premium packs decades of innovation into its state-of-the-art midsole but not without at least one hefty caveat.

It also ushered in a new era of performance footwear, due to its lightweight design and dual-density foam midsole (still a common attribute of running shoes today). The original Cortez designed by ...

Nike's Pegasus Premium is one of its biggest developments in running in this decade, which makes it no surprise that the shoe sold out quickly in most sizes for its debut Thursday. If you missed out, ...