This masculine essential is a classic thermal with a premium heather yarn exterior and tonal chambray trim for added dimension and durability. The interior features soft, stretchy cotton jersey for comfort. Designed with a two-button chambray placket, ribbed cuffs, and a double-layer thermal linked with heather jersey, it can be worn buttoned up as a layerable crew or open for a relaxed look. Made of 98% cotton and 2% other fibers.