Try this traditional long sleeve thermal when heading outside this winter, The thermal knit traps and retains body heat for warmth, It is full cut for a comfortable fit with shrinkage control for lasting size and shape, Recommended for cold weather and medium activity, Size Small = Chest 34-36 Medium = 38-40 Large = 42-44 XL = 46-48, Made of 65% cotton 35% polyester in Mexico Of USA Components, Machine wash and dry recommended