This UltraClub men's t - shirt is perfect for active men. You can wear it during sports activities like running or playing basketball in hot weather, thanks to its moisture - wicking technology. It also works well as a base layer in winter. The shirt weighs 4 oz. and is made of 100% micro - polyester, offering UPF 30+ protection. With an athletic fit, it gives a stylish look to men who love both fashion and functionality.