The OGIO Luuma Flex Long Sleeve Crew is a great choice for men to keep warm in the cooler weather. The men's long sleeved crew shirt is made out of a 57/38/5 modal/poly/spandex French terry material with a tag free label for additional comfort. The heat transfer O is visible on the front left hem of the crew shirt. This particular shirt is available in multiple colors for you to choose from.