Brand new, still in polybag Lightweight, stretchy, soft body fabric for total comfort Woven panel across chest & for added durability 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes Generous ½ zip front makes for easy layering Built-in thumbholes help keep sleeves in place Reflective logos deliver greater visibility on low-light runs