This UltraClub men's military green t - shirt is perfect for active guys. Whether you're working out at the gym, running errands, or just hanging out, it's your go - to choice. In hot weather, the moisture - wicking technology keeps you dry. In cold weather, it can be a great first layer. It's made of 4 oz., 100% micro - polyester, offering a comfortable athletic fit. The shirt also has UPF 30+ protection to shield you from the sun.