The Timberland Wicking Good T-shirt is excellent for layering on a cold day or even just for a run. Its Innovative workday-strong fabric is designed to ensure odor control and dries easily. Stay protected from the sun with the t-shirt's built-in 50+ UPF protection. The panels at the sides are made from mesh to help increase airflow. Additionally, thanks to these side panels, you are assured of easy mobility.