The lightweight running shoe that will do it all, no matter the terrain, the Fast Trac NITRO 2 has dropped. It delivers a smooth ride and ground feel on surfaces including including loose trails and gravel, thanks to a full length NITRO Infused top layer embedded in the PROFOAMLITE midsole. Add to that the durable PUMAGRIP ATR outsole and integrated eyestays for a snug fit, along with details at the toe that help drain humidity and protect from debris, and you're golden with this ground breaking shoe made for all runners in all four seasons.