Keep warm with this new J.E. Morgan men's long sleeve thermal underwear shirt, perfect for cold weather. This classic white thermal top is a size Large (42-44) and is crafted from a durable and comfortable 50% polyester and 50% cotton blend. Made in the U.S.A., it's guaranteed not to shrink or go out of size, ensuring a lasting fit. Ideal as a base layer for winter activities or everyday wear. Still in its original packaging.