This UltraClub men's indigo t - shirt is perfect for active guys. Whether you're working out at the gym, playing sports, or just going about your daily life, it's the ideal choice. It weighs 4 oz. and is made of 100% micro - polyester. The athletic fit gives you a stylish look while you're on the move. With moisture - wicking technology, it keeps you dry and comfortable in hot conditions, and the UPF 30+ protection shields you from the sun. Wear it alone in warm weather or layer it up during winter.