Stay Dry. Stay Light. Stay Focused. HeatGear moisture transport ensures lightweight performance and long lasting comfort. 30+ UPF protects your skin from the sun`s harmful rays and inhibits premature aging. Armour Stretch improves mobility and accelerates dry time with lightweight fabrics built in a 4-way stretch. Anti-Odor Technology prevents the growth of odor causing microbes. Ribbed collar and custom Under Armour three-button placket.