This Carhartt men's 1/4 - zip long sleeve t - shirt is perfect for men who love outdoor activities like hiking or those who do hard physical work. It's made of different cotton/poly blends, like 65/35 in most cases, 59/41 in Heather Grey, and 60/40 in Carbon Heather. It has a mid - weight of 5.75 ounces. The Carhartt Force and FastDry technologies make it great for long - day use, keeping you cool and dry. The UPF 25+ protection is useful when you're out in the sun, and the raglan sleeves allow for a full range of motion.