"Men's Onreg; Performance-T: The On Performance-T is a lightweight men's running shirt crafted for runners seeking breathable comfort and streamlined performance during their training runs and workouts. This shirt is designed to fit seamlessly into your routine, whether you're logging daily miles or gearing up for a challenging workout session.Constructed from a lightweight performance fabric, the Performance-T promotes airflow and effectively manages moisture, ensuring that sweat doesn't accumulate as your pace picks up. This feature is essential for maintaining comfort, whether you're enjoying a leisurely recovery run or pushing through a tempo workout. The streamlined fit of the shirt allows for natural arm swing and stride movement, eliminating any excess fabric that could hinder your performance. Additionally, the smooth construction minimizes friction, making it a comfortable choice for longer training sessions.Whether you're looking for a breathable shirt for everyday training or a reliable option for your next workout, the On Performance-T delivers lightweight comfort that keeps you performing at your best mile after mile.Why Our Fit Experts Love It""I wore this shirt during a hot afternoon run and loved how it kept me cool and dry. The fit is just right for movement without any bulk, making it perfect for both easy runs and speed workouts."" - Dave, Road Runner Sports Fit Expert, San DiegoWho It's Best ForThe On Performance-T is ideal for runners who prefer a relaxed fit that allows for freedom of movement. It suits a variety of body types and is perfect for those who engage in regular training, whether on the road or trail. This shirt excels in warm weather conditions, making it a go-to choice for summer runs or gym sessions. With its moisture-wicking properties and lightweight design, you can count on the Performance-T to keep you comfortable during your workouts. VIP Family members can take the Performance-T for a 90-Day test drive with our Perfect Fit Promise."