Lightweight climalite® fabric Soft, fluid fabric Reflective details Power through your run in long-lasting, dry comfort. This men's running t-shirt keeps sweat from weighing you down, so you can stay focused on your run. Lightweight climalite® fabric draws moisture away from your skin as your body heats up, and the soft, fluid fabric adapts to your body's movement as your arms cycle through your stride. The short sleeve, crewneck tee is finished with reflective details.