"What Our Gearhead® Experts Are Saying:""This singlet is my go-to for hot-weather runs. The COOLmatic | PLUS™ fabric wicks sweat quickly and dries fast, keeping me cool even on long, humid miles. I love the airSTACK™ 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™ fabric wicks moisture, fights odor, and dries fast, ensuring we stay comfortable no matter the pace. The airSTACK™ 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."