What Our Gearhead(R) Experts Are Saying:"This singlet is my go-to for hot-weather runs. The COOLmatic | PLUS(TM) fabric wicks sweat quickly and dries fast, keeping me cool even on long, humid miles. I love the airSTACK(TM) side vents, which keep air flowing without extra bulk, and the flatlock stitching prevents chafing. Plus, the reflective details make early morning and evening runs safer. It's a lightweight essential for any dedicated runner."Whether we're pushing for a PR or just soaking up the miles, the FSTSinglet is designed to keep us feeling fresh from start to finish. Made from 100% recycled polyester, its COOLmatic | PLUS(TM) fabric wicks moisture, fights odor, and dries fast, ensuring we stay comfortable no matter the pace. The airSTACK(TM) side venting enhances breathability, letting air flow freely to keep us cool even on high-output efforts. With flatlock stitching and welded seams, chafing is a thing of the past, while reflective details boost visibility when running in low light. Built for runners who demand performance, this singlet is ready to go the distance.