Stay warm and comfortable all winter long with the Men's Essential Two Layer Thermal Shirt. This innovative shirt features a soft inner layer of blended cotton and polyester that feels great against your skin. The durable outer layer, a blend of cotton and polyester, locks in body heat to keep you warm even on the coldest days.The two layer construction traps heat next to your body while wicking moisture away. You'll stay warm and dry whether you're working outdoors, skiing, or just running errands around town. The Men's Essential Thermal Shirt is a cold weather essential for any active man. Stay toasty this winter with this innovative two layer shirt.