The Pace Air Message Tee is built for high-output activities like running, fast hiking, and mountain biking where breathability and freedom of movement matter. Its Rerun Jersey fabric — a superfine, ultralight knit made from 100% recycled polyester — resists snagging, dries rapidly, and moves with the body without restriction. The slim fit keeps the tee close to the body without impeding motion, while flat seams are strategically placed to minimize chafing during extended efforts.