The base element to our long-distance system. Engineered for the specific demands of speed. Heat that builds fast, sweat that comes quick, movement that never stops. On race day, pin your bib through the laser perforations without fuss. Stash essentials in the sweatproof pocket. No swing. No noise. Just pace and presence. 2.5" trim. Steady and sharp, cut to go fast.For the days you chase time. Or when it tries to chase you.